1 00:00:01,030 --> 00:00:03,760 [narrator] Previously on Blind Frog Ranch. 2 00:00:03,760 --> 00:00:06,860 On their expedition to an abandoned pit mine... 3 00:00:06,860 --> 00:00:09,660 Eric and Chad hit pay dirt. 4 00:00:09,660 --> 00:00:12,100 -[laughs] That's it. -This is it. 5 00:00:12,100 --> 00:00:13,160 We got gold, boys. 6 00:00:13,160 --> 00:00:14,660 [narrator] While at the Bead Site, 7 00:00:14,660 --> 00:00:19,100 Duane and the team have discovered what they believe is an Aztec altar. 8 00:00:19,100 --> 00:00:23,200 -What are you seeing? What? -It looks like some type of crematorium. 9 00:00:23,200 --> 00:00:26,660 [narrator] And intensified their efforts to locate the entrance 10 00:00:26,660 --> 00:00:29,200 into the keyhole chamber. 11 00:00:29,200 --> 00:00:32,200 -What do you got? -Just dead ants. 12 00:00:32,200 --> 00:00:35,960 I think what we need to do is go up on top and start drilling. 13 00:00:35,960 --> 00:00:38,800 [narrator] Unable to punch into the cave system from below, 14 00:00:38,800 --> 00:00:42,100 Duane makes the bold choice to drill down from above, 15 00:00:42,100 --> 00:00:47,160 sending a sonic drill to blindly penetrate into the mysterious void. 16 00:00:47,160 --> 00:00:48,430 Did you hear that? 17 00:00:51,160 --> 00:00:52,500 -Turn it down. -Watch out. 18 00:00:53,500 --> 00:00:55,000 [narrator] Legends of ancient treasures. 19 00:00:55,000 --> 00:00:57,800 This has to be hundreds of years back. 20 00:00:57,800 --> 00:01:00,700 -[narrator] And unexplained phenomenon... -What the hell is that? 21 00:01:00,700 --> 00:01:07,700 ...meet at a 160-acre property in northeast Utah known as Blind Frog Ranch. 22 00:01:07,700 --> 00:01:09,700 Where Duane Ollinger and his team 23 00:01:09,700 --> 00:01:13,260 are digging in search of long-lost Aztec gold. 24 00:01:13,260 --> 00:01:15,100 The Aztecs have discovered this. 25 00:01:15,100 --> 00:01:17,060 -[narrator] But the closer they get... -[Chad] Finally get to 26 00:01:17,060 --> 00:01:18,800 hold some [bleep] gold in my hand. 27 00:01:18,800 --> 00:01:20,500 [narrator] ...the more the land fights back. 28 00:01:20,500 --> 00:01:22,760 -Poison gas. -Go! [bleep] Go! 29 00:01:22,760 --> 00:01:24,600 [narrator] Now Duane will more heaven... 30 00:01:24,600 --> 00:01:27,560 -There we go. Fire in the hole. -...and earth 31 00:01:27,560 --> 00:01:30,560 until he gets to the bottom of this mystery. 32 00:01:30,560 --> 00:01:34,060 We've started this whole deal and we're sure as hell gonna finish it. 33 00:01:34,060 --> 00:01:36,100 [narrator] ...and solves what's lurking below... 34 00:01:36,100 --> 00:01:37,660 Holy [bleep], there's something in there. 35 00:01:37,660 --> 00:01:39,030 Josh! 36 00:01:40,100 --> 00:01:42,230 [narrator] at Blind Frog Ranch. 37 00:01:47,260 --> 00:01:48,700 Drill, boy! 38 00:01:48,700 --> 00:01:51,860 [narrator] After failing to find an entrance below the Bead Site, 39 00:01:51,860 --> 00:01:54,600 Duane is trying to access the keyhole chamber 40 00:01:54,600 --> 00:01:58,800 by drilling along a smoke vent through the rock formation. 41 00:02:03,160 --> 00:02:04,830 Hey, you feel that? 42 00:02:07,860 --> 00:02:09,000 Hey. 43 00:02:09,000 --> 00:02:10,500 It's not me. 44 00:02:12,360 --> 00:02:15,200 Shut her down. Shut it down, Denzel. 45 00:02:27,860 --> 00:02:29,300 [Charlie] Where all that come from? 46 00:02:32,200 --> 00:02:34,100 What happened? 47 00:02:35,160 --> 00:02:37,260 -[Josh] Your pipe dropped. -[Denzel] About ten foot. 48 00:02:37,260 --> 00:02:38,930 It's got to be in that cave system. 49 00:02:41,400 --> 00:02:42,730 What the heck? 50 00:02:43,300 --> 00:02:44,460 Where'd that come from? 51 00:02:44,460 --> 00:02:45,560 You guys got mining going on over there? 52 00:02:45,560 --> 00:02:47,700 -No. -No, no mining whatsoever. 53 00:02:48,700 --> 00:02:50,700 Who's down there, Charlie? 54 00:02:50,700 --> 00:02:53,000 As far as I know, nobody, but I'm checking. 55 00:02:53,000 --> 00:02:55,400 Charlie to Chad. You copy? 56 00:02:58,560 --> 00:03:00,300 [bleep] 57 00:03:03,900 --> 00:03:05,600 Yeah, Charlie. Do you hear that? 58 00:03:08,960 --> 00:03:10,260 No, we're out in the open. 59 00:03:10,260 --> 00:03:11,800 But we felt it, man 60 00:03:20,200 --> 00:03:21,460 [bleep] 61 00:03:21,460 --> 00:03:23,130 All right, we'll head back. 62 00:03:28,100 --> 00:03:29,800 Come on. I just got an alert. 63 00:03:31,200 --> 00:03:34,330 -What do you got, Charlie? -I got motion at the pond. 64 00:03:36,400 --> 00:03:37,800 Let me check my cameras. 65 00:03:47,400 --> 00:03:49,960 Wait. There's water shooting up out of the pond? 66 00:03:49,960 --> 00:03:51,360 What the hell you mean, Charlie? 67 00:03:51,360 --> 00:03:53,800 [Charlie] Yeah, hang on. 68 00:03:57,460 --> 00:04:01,400 -The water came up in the pond after the water blew here? -Yeah. 69 00:04:03,160 --> 00:04:04,460 It was just bubbling up. 70 00:04:04,460 --> 00:04:06,100 That's weird. 71 00:04:06,100 --> 00:04:07,900 Ground water wouldn't act like that. 72 00:04:09,100 --> 00:04:10,500 This is not a coincidence. 73 00:04:10,500 --> 00:04:12,460 These damn things are connected. 74 00:04:12,460 --> 00:04:13,960 -You know they are. -Yeah. 75 00:04:13,960 --> 00:04:17,400 Let's go meet on this and figure out what we're gonna do. 76 00:04:24,260 --> 00:04:26,360 What the [bleep] happened over here? 77 00:04:26,360 --> 00:04:28,400 You know, we're drilling, we're pumping the air, 78 00:04:28,400 --> 00:04:31,300 and then... and then we've got a kickback of water. 79 00:04:34,000 --> 00:04:35,260 Shooting straight up. 80 00:04:35,260 --> 00:04:38,260 It went up probably 40 or 50 foot. 81 00:04:38,260 --> 00:04:39,400 It was like somebody had a fire hose down there 82 00:04:39,400 --> 00:04:42,330 and just shooting it straight back up. Unbelievable. 83 00:04:44,100 --> 00:04:46,100 I mean, it's just strange that we have that much flow. 84 00:04:46,100 --> 00:04:48,230 Why do we have this much pressure all of a sudden? 85 00:04:50,360 --> 00:04:53,160 It could have been an air pocket that's been sitting there for years. 86 00:04:53,160 --> 00:04:56,660 Like we get in the oil field, and when we release that air, 87 00:04:56,660 --> 00:04:58,300 then that lets the water come up. 88 00:04:58,300 --> 00:04:59,830 It'll blow like a well. 89 00:05:01,760 --> 00:05:03,230 [narrator] When drilling for oil, 90 00:05:03,230 --> 00:05:07,660 if the drill head hits an air pocket, a reservoir of trapped gas, 91 00:05:07,660 --> 00:05:11,860 the released gas immediately forces its way back up the drill shaft. 92 00:05:11,860 --> 00:05:16,160 The results can sometimes be deadly. 93 00:05:16,160 --> 00:05:18,500 Air pressure will create havoc. 94 00:05:18,500 --> 00:05:21,960 [Josh] It's possible, but there's another option. 95 00:05:21,960 --> 00:05:24,000 It seemed like the water had head pressure on it. 96 00:05:24,000 --> 00:05:27,300 Like there was pressure coming from, like, up above, pushing all that water. 97 00:05:27,300 --> 00:05:30,100 So all that water just blew straight up out of the hole. 98 00:05:31,260 --> 00:05:32,400 [Chad] There's movement below. 99 00:05:32,400 --> 00:05:33,930 -Is that what you're saying? -That's what I'm thinking. 100 00:05:33,930 --> 00:05:37,360 It's not like we just drilled into, like, a little underground pond 101 00:05:37,360 --> 00:05:38,460 or something that would be in a cave. 102 00:05:38,460 --> 00:05:40,760 -There's a ton of pressure. -Yep. 103 00:05:40,760 --> 00:05:44,000 [narrator] When water flows downhill from higher elevation, 104 00:05:44,000 --> 00:05:46,900 the force of the flow is called "head pressure." 105 00:05:46,900 --> 00:05:50,360 An underground river originating high up in the mountains 106 00:05:50,360 --> 00:05:52,700 would have considerable head pressure. 107 00:05:52,700 --> 00:05:54,960 Penetrating that flow with a drill 108 00:05:54,960 --> 00:05:58,200 could create a significant burst of water. 109 00:05:58,200 --> 00:06:00,260 I mean, we're at the foot of the Uintas. 110 00:06:00,260 --> 00:06:02,800 So I mean, think of the mountain like a giant water tank. 111 00:06:02,800 --> 00:06:03,960 Oh, yeah. 112 00:06:03,960 --> 00:06:06,260 And then he just... he just punctured it at the bottom. 113 00:06:06,260 --> 00:06:07,560 And that's kind of what it acted like, 114 00:06:07,560 --> 00:06:10,360 and it just blew straight up and out of there. 115 00:06:10,360 --> 00:06:12,160 I think we're dealing with a lot of water. 116 00:06:12,160 --> 00:06:14,000 We gave it a place to escape. 117 00:06:15,660 --> 00:06:18,500 I heard all that. I immediately started looking at cameras. 118 00:06:18,500 --> 00:06:22,100 It was like a burst of water, but I've never seen it do 119 00:06:22,100 --> 00:06:23,830 what I saw on the cameras today. 120 00:06:24,600 --> 00:06:26,500 It was a real disturbance at the pond. 121 00:06:29,860 --> 00:06:31,660 No way. 122 00:06:31,660 --> 00:06:33,360 So this was all at the same time that your thing happened. 123 00:06:33,360 --> 00:06:36,160 -Might be less than a minute apart. -[Chad] Really? 124 00:06:36,160 --> 00:06:38,700 I don't think it's a coincidence. 125 00:06:40,560 --> 00:06:44,460 We know that the pond and the energy zone are all connected. 126 00:06:44,460 --> 00:06:47,560 Maybe there's another connection with the Bead Site. 127 00:06:47,560 --> 00:06:51,100 [narrator] Last year when the team was drilling at the energy zone, 128 00:06:51,100 --> 00:06:55,700 the area suddenly flooded and the water also rose at the pond, 129 00:06:55,700 --> 00:07:00,160 suggesting that the two sites were connected underground. 130 00:07:00,160 --> 00:07:03,100 Did we crack open an underground river or something? 131 00:07:03,100 --> 00:07:07,500 [narrator] Now, the sudden flooding at the Bead Site and the pond... 132 00:07:07,500 --> 00:07:12,000 ...suggests it's the possibility of yet another underground connection. 133 00:07:12,000 --> 00:07:14,830 -They could all be connected. -I believe so. 134 00:07:16,160 --> 00:07:19,760 [narrator] But it's the timing of the water bursts, only one minute apart, 135 00:07:19,760 --> 00:07:22,960 that reveals something even more critical. 136 00:07:22,960 --> 00:07:26,700 What if this is some type of underground water diversion system 137 00:07:26,700 --> 00:07:28,730 like the manmade aqueduct? 138 00:07:30,160 --> 00:07:32,460 [narrator] When water travels naturally underground, 139 00:07:32,460 --> 00:07:36,260 it flows on a slow and meandering path. 140 00:07:36,260 --> 00:07:39,960 But the quick succession of bursts at the Bead Site and the pond 141 00:07:39,960 --> 00:07:44,460 indicate that the water must be flowing swiftly and directly, 142 00:07:44,460 --> 00:07:48,260 such as in an underground aqueduct. 143 00:07:48,260 --> 00:07:51,230 Water doesn't lie. There's something going on there. 144 00:07:52,300 --> 00:07:56,000 What if chicomoztoc really is underneath our feet? 145 00:07:56,000 --> 00:07:58,660 We're talking maybe hundreds, if not thousands of people 146 00:07:58,660 --> 00:08:01,100 having lived underground at some point, you know. 147 00:08:01,100 --> 00:08:03,160 They would have required a water system. 148 00:08:03,160 --> 00:08:06,860 And we drill into like an aqueduct or something like that. 149 00:08:06,860 --> 00:08:11,560 I mean, it's a possibility that they were diverting water. 150 00:08:11,560 --> 00:08:15,160 [narrator] An aqueduct is a manmade structure that carries water 151 00:08:15,160 --> 00:08:18,200 from one place to another using gravity. 152 00:08:18,200 --> 00:08:24,100 They can be open air canals, elevated arches or even underground channels. 153 00:08:24,100 --> 00:08:27,760 The earliest aqueducts are from the 7th century BC Egypt, 154 00:08:27,760 --> 00:08:29,860 and carried water from the hills 155 00:08:29,860 --> 00:08:32,360 to irrigate crops on the plains. 156 00:08:32,360 --> 00:08:36,000 Later, in the 4th century BC, the Romans constructed 157 00:08:36,000 --> 00:08:39,300 an elaborate system of aqueducts throughout the Empire, 158 00:08:39,300 --> 00:08:45,130 which supplied water to major cities for drinking, bathing and sanitation, 159 00:08:45,560 --> 00:08:47,560 But by the 14th century, 160 00:08:47,560 --> 00:08:50,800 the Aztecs had mastered the control of water. 161 00:08:50,800 --> 00:08:55,200 Their capital, Tenochtitlan, was built in the middle of a lake, 162 00:08:55,200 --> 00:08:59,000 and they used an intricate system of underground aqueducts 163 00:08:59,000 --> 00:09:01,860 to contain and manage the water. 164 00:09:01,860 --> 00:09:05,100 The Aztecs, I mean, they managed water underground. 165 00:09:05,100 --> 00:09:08,130 It's crazy. I mean, there's still remnants of it today. 166 00:09:09,160 --> 00:09:12,400 [narrator] What James is suggesting is that the team 167 00:09:12,400 --> 00:09:15,000 might have drilled into the remains of an aqueduct 168 00:09:15,000 --> 00:09:16,860 built by the Aztecs, 169 00:09:16,860 --> 00:09:20,500 that is still channeling fresh water down from the Uintas today. 170 00:09:20,500 --> 00:09:24,500 Duane, so if it is the Aztec or their ancestors, 171 00:09:24,500 --> 00:09:27,060 maybe you and I need to head to Mexico. 172 00:09:27,060 --> 00:09:30,060 Go and see how they were diverting all that water. 173 00:09:30,060 --> 00:09:33,660 And see how the Aztec themselves were actually doing it. 174 00:09:33,660 --> 00:09:36,800 I think we want to see how this underground system works 175 00:09:36,800 --> 00:09:41,900 and see if we can find some similarities to here at Blind Frog Ranch. 176 00:09:41,900 --> 00:09:44,260 I think that's one hell of a good idea. 177 00:09:44,260 --> 00:09:48,600 James and I will go to Old Mexico and see if we get any hints down there. 178 00:09:49,360 --> 00:09:52,460 I don't know jack [bleep] about aqueducts, 179 00:09:52,460 --> 00:09:54,560 but I hope it's going to give us 180 00:09:54,560 --> 00:09:58,300 the answers that we need to make this project go forward. 181 00:09:58,300 --> 00:09:59,800 Let's go. 182 00:09:59,800 --> 00:10:01,360 Let's get the hell out of here. 183 00:10:11,860 --> 00:10:15,460 It's good to be back in Mexico City, and wait till you see it. 184 00:10:15,460 --> 00:10:20,060 It's going to be interesting if we can put any of this together. 185 00:10:20,060 --> 00:10:22,360 [narrator] James and Duane have traveled nearly 186 00:10:22,360 --> 00:10:28,060 2000 miles south to Mexico City to meet with a local expert. 187 00:10:28,060 --> 00:10:30,160 I want you to meet a historian that I know 188 00:10:30,160 --> 00:10:33,660 that has a wealth of information on the Aztec aqueducts. 189 00:10:33,660 --> 00:10:36,000 I think that will help us understand 190 00:10:36,000 --> 00:10:38,530 what the hell we're dealing with up there at BFR. 191 00:10:40,000 --> 00:10:41,730 -Julio. -There he is. 192 00:10:41,730 --> 00:10:43,360 Hola. What's up, James? 193 00:10:43,360 --> 00:10:45,930 -Julio. -Duane, the man himself. 194 00:10:45,930 --> 00:10:47,930 I hear you're the expert of this whole deal. 195 00:10:47,930 --> 00:10:51,060 The reason we're here is we think there's some underground 196 00:10:51,060 --> 00:10:53,360 water systems at Blind Frog Ranch, 197 00:10:53,360 --> 00:10:56,260 and we think you can tell us what's going on up there. 198 00:10:56,260 --> 00:10:57,700 [Julio] You're in the right place. 199 00:10:57,700 --> 00:11:01,760 The ancient Aztecs, they were masters of managing water and aqueducts. 200 00:11:01,760 --> 00:11:03,930 So why don't we head to Tlatelolco. 201 00:11:03,930 --> 00:11:08,500 There's the remains of the water systems and some aqueducts. 202 00:11:08,500 --> 00:11:10,900 -I'm all for it. Lead the way, man. -Ready? 203 00:11:16,500 --> 00:11:19,260 Welcome now to Tlatelolco. 204 00:11:19,260 --> 00:11:24,860 This is one of the most important archeological sites inside Mexico City. 205 00:11:24,860 --> 00:11:29,500 -[James] Wow. -What you're looking at is just a small percentage 206 00:11:29,500 --> 00:11:30,960 of what it used to be. 207 00:11:31,460 --> 00:11:34,100 This was a great ceremonial area. 208 00:11:34,100 --> 00:11:36,000 [narrator] The ruins of Tlatelolco 209 00:11:36,000 --> 00:11:40,460 show evidence of over 60 Aztec temples, ceremonial altars 210 00:11:40,460 --> 00:11:44,160 and a recently discovered mass burial site 211 00:11:44,160 --> 00:11:48,460 containing the remains of nearly 200 sacrifices, 212 00:11:48,460 --> 00:11:52,930 as well as a complex system of aqueducts leading to a great cistern 213 00:11:52,930 --> 00:11:56,260 in the heart of the ancient city. 214 00:11:56,260 --> 00:11:59,500 The indigenous people, they couldn't drink the water around the cities 215 00:11:59,500 --> 00:12:01,500 because it was salty. 216 00:12:01,500 --> 00:12:05,000 Aqueducts used to bring water more than four miles 217 00:12:05,000 --> 00:12:09,560 from the inside of the mountains into the center of this area. 218 00:12:09,560 --> 00:12:12,000 Wow. 219 00:12:12,000 --> 00:12:15,730 [Julio] They built aqueducts underneath so that the water could flow 220 00:12:15,730 --> 00:12:17,530 inside the temples. 221 00:12:18,660 --> 00:12:22,060 For the indigenous people, water inside the earth, 222 00:12:24,830 --> 00:12:29,030 They would go into this water and they would deposit offerings. 223 00:12:29,030 --> 00:12:31,300 Really? 224 00:12:31,300 --> 00:12:35,760 Offerings were placed there for religious ceremonies. 225 00:12:35,760 --> 00:12:39,560 Just like what we're finding at the Bead Site up in Blind Frog Ranch. 226 00:12:39,560 --> 00:12:41,200 There's an eye socket right there. 227 00:12:42,100 --> 00:12:43,960 [James] This is amazing. 228 00:12:43,960 --> 00:12:47,200 [Duane] So you showed us all the above ground stuff. 229 00:12:47,200 --> 00:12:49,160 What about seeing the underground? 230 00:12:49,160 --> 00:12:51,530 Well, there's a perfect place called Teotihuacan. 231 00:12:56,160 --> 00:12:59,460 [narrator] To better understand the kinds of aqueducts and tunnels 232 00:12:59,460 --> 00:13:03,060 the Mesoamericans were capable of building underground, 233 00:13:03,060 --> 00:13:07,260 Julio takes Duane and James thirty miles outside of the city, 234 00:13:07,260 --> 00:13:11,060 to the ancient pyramids of Teotihuacan. 235 00:13:11,060 --> 00:13:13,330 [Julio] Gentlemen, welcome to Teotihuacan. 236 00:13:13,830 --> 00:13:15,600 [James] Wow. Wow. Wow. 237 00:13:16,300 --> 00:13:17,760 Just amazing. 238 00:13:17,760 --> 00:13:21,060 [Julio] We are up in northeast of Mexico City 239 00:13:21,060 --> 00:13:26,560 and we're walking on the first cosmopolitan city of the Americas. 240 00:13:26,560 --> 00:13:27,860 [James] Really? 241 00:13:27,860 --> 00:13:30,200 [narrator] At its height in the 5th century AD, 242 00:13:30,200 --> 00:13:34,760 Teotihuacan was home to some 200,000 people, 243 00:13:34,760 --> 00:13:39,100 making it one of the most densely populated cities in the world. 244 00:13:39,100 --> 00:13:43,500 To accommodate the needs of so many, they engineered a vast network 245 00:13:43,500 --> 00:13:48,960 of water collection stations, storage reservoirs and sewer systems. 246 00:13:49,760 --> 00:13:51,760 [James] Look at the size of this. 247 00:13:51,760 --> 00:13:53,930 [Duane] Who built this, it's pretty amazing. 248 00:13:53,930 --> 00:13:57,460 Teotihuacan translates as "The city of the gods." 249 00:13:57,460 --> 00:14:01,560 -[Duane] Yeah. -This This was a sacred place, where a lot of ancient people, 250 00:14:01,560 --> 00:14:03,600 ancient rulers, they would come up here 251 00:14:03,600 --> 00:14:05,360 to worship important deities 252 00:14:05,360 --> 00:14:08,160 totally related to water, fire and corn. 253 00:14:08,160 --> 00:14:10,500 -The elements. -[James] That's interesting. 254 00:14:14,760 --> 00:14:18,100 Here, the most important deities the storm, the rain. 255 00:14:18,100 --> 00:14:20,160 Tlaloc is one of his names. 256 00:14:20,160 --> 00:14:22,760 Tlaloc give us the rain. 257 00:14:22,760 --> 00:14:25,600 The frogs sing to Tlaloc. They sink to the rain. 258 00:14:25,600 --> 00:14:29,660 And that's true because here, when we have the rainy season, 259 00:14:29,660 --> 00:14:32,460 other frogs come out and they sing. 260 00:14:32,460 --> 00:14:34,100 That's what we're named for up there. 261 00:14:34,100 --> 00:14:37,600 It kind of makes you wonder if there's any, uh, similarities. 262 00:14:37,600 --> 00:14:40,760 I guess, you know, I know that's kind of farfetched, 263 00:14:40,760 --> 00:14:42,100 but maybe it's not. 264 00:14:42,100 --> 00:14:44,860 The same people. They had the same gods. 265 00:14:44,860 --> 00:14:46,460 It doesn't matter where they were. 266 00:14:46,460 --> 00:14:50,300 [frogs croaking] 267 00:14:50,300 --> 00:14:53,100 It's interesting the way they built with the concrete 268 00:14:53,100 --> 00:14:56,460 that they were using here, the different rock. 269 00:14:56,460 --> 00:14:59,060 [Julio] The concrete covered everything here. 270 00:14:59,060 --> 00:15:02,030 -Kind of reminds you of somewhere, huh? -Yeah. 271 00:15:02,030 --> 00:15:03,860 [James] The altar we found at the Bead Site 272 00:15:03,860 --> 00:15:06,400 was made of very similar materials. 273 00:15:08,160 --> 00:15:10,900 -Almost like concrete. -Concrete? 274 00:15:12,100 --> 00:15:14,730 I'm 99% sure it's concrete. 275 00:15:18,760 --> 00:15:20,360 Look at the water system. 276 00:15:20,360 --> 00:15:23,400 [Julio] That's the way they would drain the water to the river. 277 00:15:23,400 --> 00:15:25,130 [James] I'll be darned. 278 00:15:26,000 --> 00:15:30,060 [narrator] Julio leads them beneath Teotihuacan's largest structure 279 00:15:30,060 --> 00:15:31,960 the Pyramid of the Sun. 280 00:15:32,730 --> 00:15:34,360 [Duane] Wow. 281 00:15:34,360 --> 00:15:39,000 These are sunken patios, and all this was filled with water. 282 00:15:41,500 --> 00:15:43,030 Here we are. We actually see symbols 283 00:15:43,030 --> 00:15:46,100 related to Tlaloc, the rain deity. 284 00:15:46,100 --> 00:15:48,860 But also the deity of the... of the mountains. 285 00:15:48,860 --> 00:15:51,300 The natural flow of the water coming from the mountains. 286 00:15:51,300 --> 00:15:53,760 They would fill in all these spaces. 287 00:15:53,760 --> 00:15:56,400 -Where the water collection took place underground. -[Julio] Yeah. 288 00:15:56,400 --> 00:15:57,630 Exactly. 289 00:15:58,100 --> 00:15:59,500 The real deal is underneath. 290 00:16:00,360 --> 00:16:01,530 [Duane] Lead the way. 291 00:16:04,930 --> 00:16:07,260 The water from the patios outside, 292 00:16:07,260 --> 00:16:09,300 that water was collected from the rain. 293 00:16:10,060 --> 00:16:13,060 And that water would flow into these rooms. 294 00:16:13,060 --> 00:16:15,460 And here it would be like a shower. 295 00:16:15,460 --> 00:16:17,660 They're going to perform rituals on that side. 296 00:16:17,660 --> 00:16:20,200 And here they were washed. 297 00:16:20,200 --> 00:16:22,100 [James] The engineering is amazing. 298 00:16:22,100 --> 00:16:24,830 They were taking ritual baths here, 299 00:16:24,830 --> 00:16:29,430 but the Europeans were maybe taking several baths the entire year. 300 00:16:30,060 --> 00:16:32,000 Someone must have stunk. 301 00:16:34,160 --> 00:16:36,100 [Julio] Hey, watch your step, everyone. 302 00:16:36,100 --> 00:16:37,930 -Careful. -[Duane] Got it. Got it. 303 00:16:37,930 --> 00:16:40,260 [narrator] Duane and James follow Julio 304 00:16:40,260 --> 00:16:43,260 to the lowest depths of Teotihuacan 305 00:16:43,260 --> 00:16:46,530 through a maze of recently discovered hidden tunnels. 306 00:16:52,830 --> 00:16:55,760 It was just amazing how dark it was. 307 00:16:55,760 --> 00:16:58,230 As we went deeper and deeper, I could barely see. 308 00:16:59,260 --> 00:17:00,960 It was so quiet. 309 00:17:00,960 --> 00:17:03,660 You could hear a pin drop from 20 feet away. 310 00:17:03,660 --> 00:17:06,660 It almost felt unnatural. 311 00:17:06,660 --> 00:17:09,700 They must have it felt like it was a holy place. 312 00:17:12,030 --> 00:17:15,130 [Julio] So, gentlemen, now we're going to go to an interesting spot. 313 00:17:20,500 --> 00:17:22,460 Damn, that's a long ways down. 314 00:17:22,460 --> 00:17:24,860 -How deep? -[Julio] Twenty-three meters. 315 00:17:24,860 --> 00:17:28,460 [narrator] The shaft descends over 75 feet deep. 316 00:17:28,460 --> 00:17:33,100 Experts are still unsure of exactly how the shaft was created. 317 00:17:33,100 --> 00:17:36,260 But they know it was dug by hand. 318 00:17:36,260 --> 00:17:40,560 We've had equipment all our lives, big equipment, 319 00:17:40,560 --> 00:17:42,760 and I didn't see how our equipment 320 00:17:42,760 --> 00:17:45,560 could even come close to building what they got. 321 00:17:45,560 --> 00:17:49,060 It was crazy to think they did that by hand. 322 00:17:49,060 --> 00:17:55,100 I'm convinced that we've got an Aztec aqueduct underneath the ranch. 323 00:17:55,100 --> 00:17:58,760 Now we just have to figure out a way to test that theory. 324 00:17:58,760 --> 00:18:00,460 Well, Duane, just think about this. 325 00:18:00,460 --> 00:18:03,160 I mean, if they were capable of doing this here. 326 00:18:03,160 --> 00:18:04,360 What's underneath the ranch? 327 00:18:04,360 --> 00:18:07,500 -[Duane] Oh, yeah, yeah. -[James] I mean, look at how down. 328 00:18:07,500 --> 00:18:11,600 I mean, that's deep, and that's in a super hard rock. 329 00:18:11,600 --> 00:18:13,400 [Duane] Yeah. 330 00:18:13,400 --> 00:18:17,100 You know, it's damn sure as deep as the energy is on, really. 331 00:18:17,100 --> 00:18:22,860 -Yeah. -We saw a 75-foot shaft, it appeared to be the same 332 00:18:22,860 --> 00:18:25,430 as what we saw in the energy zone. 333 00:18:27,760 --> 00:18:31,560 [narrator] Last year when mapping the energy zone with a magnetometer... 334 00:18:31,560 --> 00:18:33,160 [device beeping] 335 00:18:33,160 --> 00:18:36,860 [narrator] ...James discovered a similar hole that was nearly 90 feet deep. 336 00:18:36,860 --> 00:18:39,400 There is a void right here. 337 00:18:39,400 --> 00:18:41,160 Look at that [bleep]. 338 00:18:41,160 --> 00:18:44,930 There has been a hole there before. Right here. 339 00:18:44,930 --> 00:18:48,860 [narrator] At the time, they believed it might be a ventilation shaft. 340 00:18:48,860 --> 00:18:51,500 [James] If we have some type of underground cavern system, 341 00:18:51,500 --> 00:18:53,930 what are they going to have to do to be able to breathe? 342 00:18:53,930 --> 00:18:56,700 -So you're saying that could be a vent? -[James] Exactly. 343 00:19:00,660 --> 00:19:04,100 [Julio] They found at the bottom the remains of a female in pregnancy. 344 00:19:04,100 --> 00:19:05,730 -Down at the bottom. -Yeah. 345 00:19:06,160 --> 00:19:07,460 In Mesoamerica, 346 00:19:07,460 --> 00:19:11,900 women that passed away during pregnancy were considered sacred. 347 00:19:12,560 --> 00:19:16,000 -So this is a sacred burial site. -Wow. 348 00:19:17,160 --> 00:19:21,830 It just makes you wonder what exactly is underneath our feet 349 00:19:21,830 --> 00:19:23,300 at Blind Frog Ranch, 350 00:19:23,300 --> 00:19:25,660 Thought we found a vent shaft. 351 00:19:25,660 --> 00:19:29,100 But maybe it's a burial chamber. 352 00:19:42,730 --> 00:19:43,860 What's going on? 353 00:19:43,860 --> 00:19:47,760 -Gentlemen, where's the tequila? -[James] Hey, Josh. 354 00:19:47,760 --> 00:19:49,030 [Josh] What'd you learn in Mexico? 355 00:19:49,030 --> 00:19:50,660 [James] Man, it was really interesting. 356 00:19:50,660 --> 00:19:52,760 The entire city of Tenochtitlan 357 00:19:52,760 --> 00:19:54,930 was based on multiple aqueduct systems. 358 00:19:54,930 --> 00:19:57,000 Both above and below ground. 359 00:19:57,000 --> 00:20:00,460 We were able to see quite a bit of how the Aztec, like, 360 00:20:00,460 --> 00:20:04,560 stored, routed and collected massive amounts of water. 361 00:20:04,560 --> 00:20:07,060 I mean, they knew what the hell they were doing. 362 00:20:07,060 --> 00:20:09,560 So moving water was central to their culture. 363 00:20:09,560 --> 00:20:11,360 They moved a crap ton of water. 364 00:20:11,360 --> 00:20:14,560 -Huh. -And looking at what we saw, 365 00:20:14,560 --> 00:20:16,560 I really think that what we have between 366 00:20:16,560 --> 00:20:19,360 the Bead Site and the pond may be very similar. 367 00:20:19,360 --> 00:20:21,860 So that could explain what happened at the Bead Site. 368 00:20:21,860 --> 00:20:23,400 It's damn sure interesting. 369 00:20:23,400 --> 00:20:25,660 [James] Yeah, I think there's a good potential 370 00:20:25,660 --> 00:20:30,230 that what we have happening at the Bead Site is an Aztec aqueduct system. 371 00:20:31,200 --> 00:20:32,860 That makes a lot of sense. 372 00:20:32,860 --> 00:20:34,500 Look, Josh, we need to come up with a plan. 373 00:20:34,500 --> 00:20:38,100 Maybe that aqueduct will lead us to another entrance. 374 00:20:38,100 --> 00:20:40,160 I want to know how that's connected. 375 00:20:41,300 --> 00:20:44,160 [narrator] If there is an aqueduct beneath the Bead Site 376 00:20:44,160 --> 00:20:46,100 flowing down to the pond, 377 00:20:46,100 --> 00:20:48,030 then it must lead somewhere. 378 00:20:48,030 --> 00:20:50,500 But the question is where? 379 00:20:50,500 --> 00:20:54,300 How can we figure out a way to track the water below ground? 380 00:20:54,300 --> 00:20:57,660 Would a ground-penetrating radar work? 381 00:20:57,660 --> 00:21:00,360 We're down there pretty deep, and I don't think GPR 382 00:21:00,360 --> 00:21:01,630 is gonna be able to give us the detail 383 00:21:01,630 --> 00:21:04,500 that we need to be able to map out where the water is moving. 384 00:21:07,600 --> 00:21:09,800 I think we just drop a beacon down in there. 385 00:21:11,360 --> 00:21:13,260 And it will flow with that water. 386 00:21:13,260 --> 00:21:14,360 It's going to send a signal back. 387 00:21:14,360 --> 00:21:16,960 And then from the surface, we can track that beacon. 388 00:21:18,000 --> 00:21:19,460 I haven't really used one before. 389 00:21:19,460 --> 00:21:22,200 I can check with Chad. He's a pilot. 390 00:21:23,560 --> 00:21:24,860 I'm all in. 391 00:21:26,260 --> 00:21:28,000 [Josh] All right, let's do it. 392 00:21:47,560 --> 00:21:51,160 -Chad, we got all this stuff right here. -Good deal. 393 00:21:51,160 --> 00:21:53,260 So, Josh suggested that we drop a beacon 394 00:21:53,260 --> 00:21:57,560 to track the water flow between the Bead Site and the pond. 395 00:21:57,560 --> 00:22:00,760 With aviation, if they ever have a wrecked airplane over the ocean... 396 00:22:00,760 --> 00:22:04,000 -Mmm-hmm. -...they have these beacons they can track. 397 00:22:04,000 --> 00:22:07,300 So this is called an acoustic beacon right here. 398 00:22:07,300 --> 00:22:10,300 The noise this makes is it's like a sonic ping, like a submarine. 399 00:22:10,300 --> 00:22:12,860 -Cool. -When it touches water, it starts activating. 400 00:22:12,860 --> 00:22:15,860 -So we can track it. -Perfect. 401 00:22:15,860 --> 00:22:18,260 As long as you have a continuous body of water, 402 00:22:18,260 --> 00:22:21,760 you can hear acoustic beacons from hundreds of miles away. 403 00:22:21,760 --> 00:22:24,160 So even though the aqueduct runs deep underground, 404 00:22:24,160 --> 00:22:26,000 we should be able to hear the beacon signal 405 00:22:26,000 --> 00:22:27,760 from the surface body of water, 406 00:22:27,760 --> 00:22:30,830 even if there's only a tiny bit of water connecting it. 407 00:22:30,830 --> 00:22:33,760 But if there's rocks in between blocking the water, 408 00:22:33,760 --> 00:22:36,100 we won't be able to hear the beacon signal. 409 00:22:36,100 --> 00:22:38,460 Our beacon also has a low frequency transmitter 410 00:22:38,460 --> 00:22:39,760 that should be able to reach us 411 00:22:39,760 --> 00:22:41,230 if we're within a few hundred feet. 412 00:22:42,300 --> 00:22:45,400 So we'll be able to track this signal through the water. 413 00:22:45,400 --> 00:22:47,660 But the trick is, we need to be listening to this. 414 00:22:47,660 --> 00:22:49,300 And here's our hydrophone to track it. 415 00:22:49,300 --> 00:22:50,600 Just put it on like a headphone. 416 00:22:50,600 --> 00:22:55,460 -Okay. -These things will pick up the ping that this sends out, 417 00:22:55,460 --> 00:22:58,000 -and you can hear it. -Okay, so this end goes in the water 418 00:22:58,000 --> 00:22:59,200 -and this is what picks up the sound. -Right. 419 00:22:59,200 --> 00:23:01,260 -Yeah. -[Josh] I plug this into a phone. 420 00:23:01,260 --> 00:23:03,730 -Yeah. -All right. Gotcha. Gotcha. 421 00:23:03,730 --> 00:23:05,100 [Chad] And then we also have, like, a tracking app. 422 00:23:05,100 --> 00:23:07,830 That'll take the pings we hear and triangulate 423 00:23:07,830 --> 00:23:09,760 the relative location of the beacon 424 00:23:09,760 --> 00:23:11,830 based on the strength of those pings 425 00:23:11,830 --> 00:23:14,400 -and the change in the frequency. -[Josh] Okay. 426 00:23:14,400 --> 00:23:18,630 [Chad] So if it's moving towards us, the frequency speeds up. 427 00:23:19,730 --> 00:23:22,330 And when it's moving away from us, it slows down. 428 00:23:25,860 --> 00:23:27,000 [Josh] Got it. 429 00:23:27,000 --> 00:23:29,460 So if the water that you found here at the borehole 430 00:23:29,460 --> 00:23:31,060 is truly connected to the pond, 431 00:23:31,060 --> 00:23:32,660 then we should be able to hear it 432 00:23:32,660 --> 00:23:34,500 with the hydrophones in the pond. 433 00:23:34,500 --> 00:23:37,400 And if we're really lucky, this could lead to a new entrance. 434 00:23:37,400 --> 00:23:39,560 -[Charlie] That should give us some answers. -[Chad] Yeah, exactly. 435 00:23:39,560 --> 00:23:42,200 Okay. So we'll get the hydrophones in the water, be set up, 436 00:23:42,200 --> 00:23:44,360 -and then you're gonna let it rip. -[Chad] Yep. 437 00:23:44,360 --> 00:23:45,760 Radio me, and then I'll drop it. 438 00:23:45,760 --> 00:23:48,630 -Perfect. -Good job, Chadro. 439 00:24:01,760 --> 00:24:04,830 [narrator] While Chad waits for the signal to drop the beacon 440 00:24:04,830 --> 00:24:06,100 down into the borehole, 441 00:24:06,100 --> 00:24:09,500 Duane, Charlie and Josh hurry over to the pond. 442 00:24:12,160 --> 00:24:13,400 [Josh] All right, here we go. 443 00:24:14,160 --> 00:24:15,630 [Charlie] Yeah, let's do it. 444 00:24:16,860 --> 00:24:18,900 [Josh] I got two of these hydrophones. 445 00:24:20,760 --> 00:24:22,600 Perfect, Josh, right in there. 446 00:24:24,960 --> 00:24:28,400 [narrator] Josh has placed two hydrophones in the pond 447 00:24:28,400 --> 00:24:31,400 to try to trace the path of the underground water 448 00:24:31,400 --> 00:24:34,260 that flows from the Bead Site to the pond. 449 00:24:34,260 --> 00:24:36,500 [Josh] All right, Duane. The system's up and running. 450 00:24:37,660 --> 00:24:39,560 All right. Back up. 451 00:24:39,560 --> 00:24:44,000 When we drilled that hole up top, this pond reacted. 452 00:24:47,030 --> 00:24:50,460 So we need to know, what is that connection? 453 00:24:50,460 --> 00:24:52,030 -And if that beacon moves... -[beacon beeping] 454 00:24:52,030 --> 00:24:53,560 ...and if we can pick up that signal, 455 00:24:53,560 --> 00:24:55,660 then we know there's actually flowing water 456 00:24:55,660 --> 00:24:57,560 underneath us in a cave system, 457 00:24:57,560 --> 00:24:59,860 and that can lead us to a new entrance. 458 00:24:59,860 --> 00:25:01,760 Josh for Chad. The system is up. 459 00:25:01,760 --> 00:25:05,400 It's ready. Go ahead and drop that beacon down the drill hole. 460 00:25:07,560 --> 00:25:08,730 Here we go. 461 00:25:11,360 --> 00:25:13,800 Three, two, one. 462 00:25:17,860 --> 00:25:18,830 All right. It's in the hole. 463 00:25:21,400 --> 00:25:23,300 [Duane] Let's see what we've got here, Josh. 464 00:25:29,100 --> 00:25:32,400 I'm not picking up anything. On the pad there's nothing, either. 465 00:25:33,360 --> 00:25:35,160 I got nothing. 466 00:25:35,160 --> 00:25:38,500 This should show us that the beacon is actually sending out a signal. 467 00:25:39,060 --> 00:25:41,300 It's not done nothing yet. 468 00:25:41,300 --> 00:25:43,760 What's the distance between the pond and the drill hole? 469 00:25:43,760 --> 00:25:45,300 [Duane] Probably a thousand foot. 470 00:25:46,200 --> 00:25:47,360 Where's it at? 471 00:25:47,360 --> 00:25:49,500 I'm not getting anything just quite yet. 472 00:25:51,060 --> 00:25:53,200 With any technology, I mean, especially when 473 00:25:53,200 --> 00:25:54,330 you're putting stuff underground, 474 00:25:54,330 --> 00:25:56,930 you have no idea if this stuff is really gonna work. 475 00:25:56,930 --> 00:26:00,200 So, I don't know. I don't know what to do from here. 476 00:26:00,200 --> 00:26:01,560 I don't know that I can do anything. 477 00:26:01,560 --> 00:26:04,260 This beacon could have turned down another path or been diverted. 478 00:26:04,260 --> 00:26:06,500 Who knows what's going on under there? 479 00:26:07,100 --> 00:26:08,500 This could be all for naught. 480 00:26:11,260 --> 00:26:12,800 Wait, wait a minute. Hang on. 481 00:26:13,660 --> 00:26:15,100 I'm getting something, Duane. 482 00:26:15,100 --> 00:26:17,030 Okay, there we go. There we go. 483 00:26:17,030 --> 00:26:19,160 The beacon's sending a signal right now. You see it. 484 00:26:19,160 --> 00:26:20,830 -[beacon beeping] -[Duane] Damn sure, yes. 485 00:26:20,830 --> 00:26:23,830 -The beacon's about 800 feet from here. Yep. -Yeah. 486 00:26:23,830 --> 00:26:25,100 That's amazing. 487 00:26:25,100 --> 00:26:26,930 Duane, I think that thing's moving. 488 00:26:26,930 --> 00:26:29,400 [beacon beeping] 489 00:26:29,400 --> 00:26:32,300 That beacon is like 300 feet away right now, Charlie. 490 00:26:32,300 --> 00:26:34,260 That thing's traveling pretty fast. 491 00:26:34,260 --> 00:26:37,730 That cave must be a pretty straight shot across there. 492 00:26:37,730 --> 00:26:40,360 It's only a couple hundred feet away from us right now, 493 00:26:40,360 --> 00:26:43,260 -Wow. -So that beacon has traveled from a thousand feet away, 494 00:26:43,260 --> 00:26:44,600 -which is where the drill hole is... -[Charlie] Yeah. 495 00:26:44,600 --> 00:26:46,100 ...and it's still moving. 496 00:26:46,100 --> 00:26:48,260 -Guys, that beacon's right here. -Right below us. 497 00:26:48,260 --> 00:26:49,760 [Josh] Yeah, right below us. 498 00:26:49,760 --> 00:26:52,260 [beacon beeping] 499 00:26:52,260 --> 00:26:55,200 [Duane] So what's amazing is this is confirming a theory 500 00:26:55,200 --> 00:26:58,400 that the underground cave system is an aqueduct 501 00:26:58,400 --> 00:27:01,060 leading from the Bead Site to the pond. 502 00:27:01,060 --> 00:27:03,100 We've got to figure out where it's going. 503 00:27:03,100 --> 00:27:05,100 [Josh] It looks like it's moved past us. 504 00:27:05,100 --> 00:27:09,000 -The current's still got it, then. -[Josh] Where's it going? 505 00:27:09,000 --> 00:27:10,660 We should put those hydrophones 506 00:27:10,660 --> 00:27:12,160 in the next closest body of water 507 00:27:12,160 --> 00:27:14,960 and see if we can pick up the signal again. 508 00:27:14,960 --> 00:27:18,160 -What do you think, the creek? -[Duane] Yeah, I think so. 509 00:27:18,160 --> 00:27:19,560 So we need to chase it then. 510 00:27:19,560 --> 00:27:21,100 We got a wild goose on our hands. 511 00:27:21,100 --> 00:27:22,900 Let's go down that creek. Let's go. 512 00:27:24,600 --> 00:27:26,030 [Josh] That was amazing. 513 00:27:26,030 --> 00:27:27,860 This could lead to the entrance. 514 00:27:27,860 --> 00:27:29,860 So I'm gonna name this beacon, Carmen Sandiego, 515 00:27:29,860 --> 00:27:31,600 and follow it wherever it goes in the world. 516 00:27:44,560 --> 00:27:45,660 I'll get us down here to the creek. 517 00:27:46,860 --> 00:27:50,300 -That's the nearest water to the pond then. -Yeah. 518 00:27:50,300 --> 00:27:53,360 [narrator] After tracking the beacon from the Bead Site to the pond, 519 00:27:53,360 --> 00:27:58,730 Josh, Duane and Charlie are now headed to the next closest water source, 520 00:27:58,730 --> 00:28:02,560 Mosby Creek, where they will place the hydrophones in the water 521 00:28:02,560 --> 00:28:06,260 and hopefully trace the beacon signal again. 522 00:28:06,260 --> 00:28:08,660 I need a good spot where the water is kind of slow. 523 00:28:08,660 --> 00:28:10,660 I don't want to be in the quick water. 524 00:28:10,660 --> 00:28:12,230 [Charlie] That's pretty quick down there. 525 00:28:13,660 --> 00:28:15,060 We've got a little eddy right here. 526 00:28:15,060 --> 00:28:16,960 I think that's going to be our best spot. 527 00:28:18,600 --> 00:28:20,000 -[Charlie] Kind of like fishing. -Hang on, guys. 528 00:28:20,000 --> 00:28:24,600 -Hang on. Hang on. -[beacon beeping] 529 00:28:24,600 --> 00:28:27,730 Yeah, guys, I got it. I got it. I got it. 530 00:28:27,730 --> 00:28:30,760 -What's that mean, Josh? -[Josh] Well, it's moving. 531 00:28:30,760 --> 00:28:32,230 It's moving that direction. 532 00:28:32,830 --> 00:28:35,300 It's to the west of us. 533 00:28:35,300 --> 00:28:37,200 How far away are we from the edge of your ranch? 534 00:28:37,200 --> 00:28:38,860 Half a click. 535 00:28:38,860 --> 00:28:42,230 This beacon's gonna leave your ranch, Duane. 536 00:28:44,930 --> 00:28:46,700 How long does that beacon last? 537 00:28:47,130 --> 00:28:48,430 Thirty days. 538 00:28:50,130 --> 00:28:53,660 So here's the deal. If that thing lasts 30 days, 539 00:28:53,660 --> 00:28:56,860 we're gonna have to go from watering hole to watering hole 540 00:28:56,860 --> 00:28:58,460 and find out if we can pick it up. 541 00:28:58,460 --> 00:29:00,100 The sooner the better. 542 00:29:00,100 --> 00:29:01,430 -All right, let's do it. -Yeah. 543 00:29:02,200 --> 00:29:03,900 We're on it now, Duane. 544 00:29:05,160 --> 00:29:08,760 [narrator] The updated triangulation of the beacon signal strength 545 00:29:08,760 --> 00:29:12,500 indicates that it's still moving to the west. 546 00:29:13,000 --> 00:29:14,830 We got a signal. Thank God. 547 00:29:14,830 --> 00:29:17,760 But this beacon looks like it's going off the ranch. 548 00:29:17,760 --> 00:29:20,730 So wherever that beacon goes, we're gonna stay on its tail. 549 00:29:20,730 --> 00:29:24,100 If that beacon winds up in the middle of the Great Salt Lake, 550 00:29:24,100 --> 00:29:25,160 I will be there. 551 00:29:25,160 --> 00:29:27,200 Because as far as I'm concerned, 552 00:29:27,200 --> 00:29:29,800 that beacon takes us to treasure. 553 00:29:44,400 --> 00:29:47,500 -So where'd that beacon go? -The creek over there. 554 00:29:47,500 --> 00:29:49,760 Down... down where we come in the ranch. 555 00:29:49,760 --> 00:29:52,130 And it was moving. That thing was moving. 556 00:29:53,200 --> 00:29:55,660 -Is this your man? -Yeah. Hell yeah. 557 00:29:55,660 --> 00:29:58,660 -He's got a boat with him. -All right. 558 00:29:58,660 --> 00:30:00,500 [narrator] In order to track the beacon 559 00:30:00,500 --> 00:30:03,200 into the deeper Utah water systems, 560 00:30:03,200 --> 00:30:06,360 -Skinner. -...Duane has called on a familiar face. 561 00:30:06,360 --> 00:30:07,730 Welcome back, man. 562 00:30:07,730 --> 00:30:11,130 [narrator] Ryan Skinner, an expert in Uinta Basin geography... 563 00:30:11,130 --> 00:30:14,100 [Ryan] Let's keep going. The ridge is that way. 564 00:30:14,100 --> 00:30:17,860 [narrator] ...who last year helped the team track down the collapsed mine. 565 00:30:17,860 --> 00:30:21,160 Guys, you can feel cold air coming out from down here. 566 00:30:21,160 --> 00:30:22,560 Are you [bleep]? 567 00:30:22,560 --> 00:30:26,060 [narrator] That they know now sits on the South Cave fault line. 568 00:30:26,060 --> 00:30:27,830 Let's go show him around what we've got. 569 00:30:27,830 --> 00:30:29,500 Let's pile in there. 570 00:30:30,730 --> 00:30:33,060 I'm Ryan Skinner. I've written nine books 571 00:30:33,060 --> 00:30:36,400 on the topic of unusual folklore all throughout the basin. 572 00:30:36,400 --> 00:30:39,060 Stories of treasure and other lost history. 573 00:30:39,060 --> 00:30:40,560 [Josh] This is the Bead Site right here. 574 00:30:40,560 --> 00:30:43,100 And we drilled right at the top of the Bead Site. 575 00:30:43,100 --> 00:30:45,260 And we drilled down. We got way down there 576 00:30:45,260 --> 00:30:47,400 and water just shot right back up. 577 00:30:47,400 --> 00:30:50,860 And when that happened, Charlie noticed that down here at the pond, 578 00:30:50,860 --> 00:30:53,400 that thing bubbled, like, almost the same time. 579 00:30:53,400 --> 00:30:55,400 And then we dropped the beacon right down in there. 580 00:30:55,400 --> 00:30:58,100 [Josh] That beacon sends out a pulse. 581 00:30:58,100 --> 00:31:02,460 I can put hydrophones in the water and track that thing, 582 00:31:02,460 --> 00:31:04,130 but we're at a little bit of a standstill right now. 583 00:31:04,130 --> 00:31:05,860 That's why Duane called you in. 584 00:31:05,860 --> 00:31:07,830 That beacon left the ranch. 585 00:31:07,830 --> 00:31:11,830 So now we don't really know exactly where to go 586 00:31:11,830 --> 00:31:14,160 or where the next water source is. 587 00:31:14,160 --> 00:31:17,160 You're the guy 'cause you know this country. I don't at all. 588 00:31:17,160 --> 00:31:20,500 [Ryan] So there's clearly a connection between this point here. 589 00:31:20,500 --> 00:31:21,630 Going down to here. 590 00:31:21,630 --> 00:31:24,200 -And where is it going at that point? -[Josh] Exactly. 591 00:31:25,100 --> 00:31:27,560 [Ryan] I'm really impressed by the technology. 592 00:31:27,560 --> 00:31:30,260 Knowing that they're actually tracking the beacon is pretty exciting to me. 593 00:31:30,260 --> 00:31:32,830 Rather than running around all throughout this place, 594 00:31:32,830 --> 00:31:35,760 we're really going to narrow this down and find out precisely 595 00:31:35,760 --> 00:31:37,260 where this beacon has traveled to. 596 00:31:37,260 --> 00:31:41,360 It has the potential to lead us directly to the entrance. 597 00:31:41,360 --> 00:31:45,360 [Josh] According to the tracking app, we at least know it was headed west. 598 00:31:45,360 --> 00:31:50,160 [Ryan] So if it's headed west, that will take us across Mosby Creek. 599 00:31:50,160 --> 00:31:54,300 Then the next place of water that way are Lake Anaconda 600 00:31:54,300 --> 00:31:55,600 and Pole Creek Sink. 601 00:31:55,600 --> 00:31:59,060 Those are both known to flow underground, so they might connect. 602 00:31:59,060 --> 00:32:00,060 Great. 603 00:32:00,060 --> 00:32:02,160 [Ryan] Josh and I can go check out the sink. 604 00:32:02,160 --> 00:32:04,600 Chad and James, you guys can go check out the lake. 605 00:32:04,600 --> 00:32:09,400 And if those don't work, we can check out Ghost Creek which is just to the west. 606 00:32:09,400 --> 00:32:10,730 Perfect. 607 00:32:11,760 --> 00:32:14,500 -Let's go. -Lead me to the water, man. 608 00:32:14,500 --> 00:32:16,200 Good luck, fellas. 609 00:32:16,200 --> 00:32:18,600 [Josh] All right, Skinner, let's find that beacon. 610 00:32:21,200 --> 00:32:23,600 [narrator] The team heads west, following the beacon's 611 00:32:23,600 --> 00:32:26,660 last known trajectory away from the ranch. 612 00:32:26,660 --> 00:32:30,660 The plan is to deploy the hydrophones in the bodies of water 613 00:32:30,660 --> 00:32:33,660 that Ryan thinks the beacon could be headed towards. 614 00:32:33,660 --> 00:32:36,660 If they can reestablish contact with the beacon, 615 00:32:36,660 --> 00:32:38,500 it could lead them to an entrance 616 00:32:38,500 --> 00:32:41,130 into the Aztec aqueduct system, 617 00:32:41,130 --> 00:32:46,130 that the team could use to backtrack to the keyhole chamber. 618 00:32:46,130 --> 00:32:49,560 I know the creek next door spills into this body of water, 619 00:32:49,560 --> 00:32:51,000 yet it never rises. 620 00:32:51,000 --> 00:32:53,930 Like, it's draining into some other large system. 621 00:32:53,930 --> 00:32:56,260 [Josh] Well, that sounds interesting. 622 00:32:56,260 --> 00:32:57,600 Oh, wow, look at all the sinkholes. 623 00:32:57,600 --> 00:32:59,760 -[Josh] There you go. That's cave formation there. -[Ryan] Yeah. 624 00:32:59,760 --> 00:33:01,060 Yeah, it's a collapsed cave. 625 00:33:01,060 --> 00:33:03,600 Well, if you have this large of a cave system, 626 00:33:03,600 --> 00:33:05,400 you're going to have sinkholes. 627 00:33:05,400 --> 00:33:06,960 [Ryan] That makes sense. 628 00:33:10,030 --> 00:33:11,660 [Chad] This should be it. 629 00:33:11,660 --> 00:33:13,130 Just down the way. 630 00:33:15,960 --> 00:33:18,260 -Look at that right there. He's right. -[James] Oh, yeah. 631 00:33:18,260 --> 00:33:20,560 Let's put the hydrophones in the water and see if we can hear anything. 632 00:33:20,560 --> 00:33:22,930 -Yeah. -[James] We should be able to track it. 633 00:33:22,930 --> 00:33:24,930 if it's in this area. 634 00:33:24,930 --> 00:33:28,500 So Skinner's identified a couple of bodies of water that he wants us to check out 635 00:33:28,500 --> 00:33:30,500 to see if we can hear that beacon signal. 636 00:33:32,260 --> 00:33:34,300 This lake sits in the direct path 637 00:33:34,300 --> 00:33:36,360 that the beacon was headed towards. 638 00:33:36,360 --> 00:33:38,900 If that beacon is here, we'll hear it loud and clear. 639 00:33:42,560 --> 00:33:44,560 [Ryan] All right. The road ends right here. 640 00:33:44,560 --> 00:33:46,460 [Josh] Oh, yeah, it's not even a road anymore. 641 00:33:46,460 --> 00:33:49,160 [Ryan] We're gonna have to get out and get on foot at this point. 642 00:33:49,160 --> 00:33:50,330 Let's track this thing down. 643 00:33:52,060 --> 00:33:53,260 Did you hear that? 644 00:33:54,860 --> 00:33:56,330 That's a good sign. 645 00:34:01,400 --> 00:34:03,030 Holy [bleep]! 646 00:34:03,030 --> 00:34:04,900 We're actually in a cave right now. 647 00:34:09,660 --> 00:34:10,660 That's a lot of moving water. 648 00:34:10,660 --> 00:34:12,600 But if that beacon was coming down this water, 649 00:34:12,600 --> 00:34:14,460 you'd get hung up on one of these rocks. 650 00:34:14,460 --> 00:34:15,960 [Josh] Yeah. Where is this water going? 651 00:34:15,960 --> 00:34:19,230 -It's got to be underground, some sort of channel. -Right underneath here. 652 00:34:19,230 --> 00:34:22,500 [narrator] Subterranean rivers occur in karst topography 653 00:34:22,500 --> 00:34:25,360 composed primarily of limestone, 654 00:34:25,360 --> 00:34:30,260 typically made up of the fossilized remains of ancient sea creatures 655 00:34:30,260 --> 00:34:33,860 cemented together over millions of years. 656 00:34:33,860 --> 00:34:38,100 As acidic water passes through cracks in the limestone layer, 657 00:34:38,100 --> 00:34:40,060 it can carve out tunnels underground 658 00:34:40,060 --> 00:34:44,160 and ultimately form an underground river. 659 00:34:44,160 --> 00:34:46,960 The area where water on the surface enters 660 00:34:46,960 --> 00:34:49,960 into an underground river is known as a sink. 661 00:34:49,960 --> 00:34:53,760 While most caves formed by subterranean rivers are stable, 662 00:34:53,760 --> 00:34:58,160 the continued erosion of limestone by water passing through 663 00:34:58,160 --> 00:35:00,760 can carve away enough supporting rock 664 00:35:00,760 --> 00:35:04,800 that the entire cave collapses, forming a sinkhole. 665 00:35:12,560 --> 00:35:17,030 For a giant cave complex you have to have limestone. 666 00:35:17,030 --> 00:35:19,230 This is a mountain of it. 667 00:35:19,230 --> 00:35:21,400 And we've got limestone back here, too. 668 00:35:22,100 --> 00:35:24,360 We're actually in a cave right now. 669 00:35:24,360 --> 00:35:25,960 The ceiling has collapsed. 670 00:35:25,960 --> 00:35:28,330 So this used to be all the way across here. 671 00:35:28,330 --> 00:35:29,960 This creek eroded all of this out 672 00:35:29,960 --> 00:35:33,160 and then the ceiling collapsed. Golly knows how long ago. 673 00:35:36,030 --> 00:35:37,660 Let's take a look. 674 00:35:37,660 --> 00:35:40,500 That sink should be right around the corner down here. 675 00:35:40,500 --> 00:35:43,830 [narrator] Ryan is guiding Josh to Pole Creek Sink, 676 00:35:43,830 --> 00:35:47,660 a body of water a few miles west of Blind Frog Ranch, 677 00:35:47,660 --> 00:35:51,830 in an attempt to reestablish contact with the acoustic beacon 678 00:35:51,830 --> 00:35:56,400 the team dropped into an underground water system at the Bead Site. 679 00:35:58,230 --> 00:36:01,200 Yeah, that's a lot of water. This is amazing. 680 00:36:01,930 --> 00:36:04,030 Look at this. 681 00:36:04,030 --> 00:36:06,260 Yeah, it's beautiful, but I wouldn't want to go swimming in it. 682 00:36:06,260 --> 00:36:09,460 [narrator] The beacon signal has led Josh and Ryan 683 00:36:09,460 --> 00:36:13,000 to a dangerous natural formation called a sink. 684 00:36:13,000 --> 00:36:18,130 Here, the surface water flows directly underground through a swallow hole. 685 00:36:18,130 --> 00:36:22,660 Get too close and it could drag you under. 686 00:36:22,660 --> 00:36:24,760 This water's going underground right here. 687 00:36:24,760 --> 00:36:26,460 Where the beacon's flowing through. 688 00:36:26,460 --> 00:36:28,400 This water is probably touching it. 689 00:36:28,400 --> 00:36:31,700 This is the perfect place to put in those hydrophones to see if it's here. 690 00:36:34,860 --> 00:36:37,060 I'm gonna put it in right here. 691 00:36:37,060 --> 00:36:39,360 Yeah, it looks like it goes pretty deep. 692 00:36:40,830 --> 00:36:41,760 Nice. 693 00:36:49,560 --> 00:36:52,260 -You hear anything? -I don't hear a thing. 694 00:36:52,730 --> 00:36:54,160 [Chad] Yeah, [bleep]. 695 00:36:54,160 --> 00:36:57,460 We're gonna have to find another location that's connected. 696 00:36:58,330 --> 00:36:59,800 Yeah, this body of water is a bust. 697 00:36:59,800 --> 00:37:03,200 We're gonna head to the next body of water that's on, uh, Skinner's list. 698 00:37:11,230 --> 00:37:13,260 -I hear it. -[beacon beeping] 699 00:37:14,600 --> 00:37:15,800 I hear it. 700 00:37:16,730 --> 00:37:18,130 It's a good signal. 701 00:37:18,130 --> 00:37:19,260 Let me check it on the pad, too. 702 00:37:19,260 --> 00:37:22,000 [beacon beeping] 703 00:37:22,000 --> 00:37:23,500 Look here, it's moving. 704 00:37:24,030 --> 00:37:25,230 Do you see that? 705 00:37:25,230 --> 00:37:26,630 We're back in the hunt. 706 00:37:27,660 --> 00:37:30,700 It looks like it's headed right through the mountain. 707 00:37:33,160 --> 00:37:35,560 It's got to be a massive channel going that way. 708 00:37:35,560 --> 00:37:37,000 All right, let's pull these hydrophones. 709 00:37:42,030 --> 00:37:44,160 [beacon beeping] 710 00:37:46,660 --> 00:37:47,860 This way. 711 00:37:48,960 --> 00:37:50,560 Oh, look there. 712 00:37:50,560 --> 00:37:52,330 That's what we wanted to see right there, Skinner. 713 00:37:52,330 --> 00:37:53,600 That ain't from the rain. 714 00:38:01,030 --> 00:38:02,130 Let's put the hydrophone in the water 715 00:38:02,130 --> 00:38:04,400 and see if we can pick up the signal on that beacon. 716 00:38:04,400 --> 00:38:06,660 And then we'll know that this water is connected 717 00:38:06,660 --> 00:38:08,060 to where we dropped the beacon. 718 00:38:17,760 --> 00:38:20,030 -Right away, yeah. -[Josh] You got something? 719 00:38:20,030 --> 00:38:21,860 Holy [bleep], that's loud. 720 00:38:21,860 --> 00:38:24,030 -It is screaming. -[beacon beeping] 721 00:38:24,030 --> 00:38:25,230 I'll tell you what. 722 00:38:25,760 --> 00:38:26,960 That signal is steady. 723 00:38:26,960 --> 00:38:28,330 I'm not hearing a change. 724 00:38:28,330 --> 00:38:29,860 I don't think that beacon is moving. 725 00:38:29,860 --> 00:38:31,030 It's right here. 726 00:38:31,030 --> 00:38:34,200 Let me just triangulate so that we can get closer to it. 727 00:38:34,730 --> 00:38:35,860 Oh, yeah. 728 00:38:35,860 --> 00:38:38,060 [beacon beeping] 729 00:38:39,260 --> 00:38:41,330 Oh, wow. 730 00:38:41,330 --> 00:38:45,660 So the cave itself could be punching right into this body of water. 731 00:38:45,660 --> 00:38:47,960 But how do we pinpoint it? 732 00:38:47,960 --> 00:38:50,500 Let's go back and grab your boat and dump the ROV in 733 00:38:50,500 --> 00:38:52,830 and see if we can find it. 734 00:38:52,830 --> 00:38:57,500 We can't see the beacon, but that beacon is underneath this shoreline somewhere. 735 00:38:57,500 --> 00:38:58,760 We've got to put eyes under the water, 736 00:38:58,760 --> 00:39:01,230 and we've got to see where that beacon actually is. 737 00:39:01,230 --> 00:39:05,030 And hopefully, find an entrance into the underground cave system. 738 00:39:05,030 --> 00:39:08,100 -You ready? -Yeah. 739 00:39:09,460 --> 00:39:12,660 [narrator] Josh and Ryan are launching an underwater ROV, 740 00:39:12,660 --> 00:39:17,730 or a remotely operated vehicle to explore the depths of the lake. 741 00:39:17,730 --> 00:39:22,500 Using his tablet, Josh will be able to maneuver it along the bottom 742 00:39:22,500 --> 00:39:24,830 in search of the beacon. 743 00:39:24,830 --> 00:39:28,560 -[device beeps] -Good, good, good. We're online. 744 00:39:28,560 --> 00:39:30,400 All right. Let's launch this thing. 745 00:39:38,260 --> 00:39:40,560 It's still going down. It's still going down. 746 00:39:40,560 --> 00:39:43,230 Wow, it's deeper than I thought. 747 00:39:43,230 --> 00:39:46,930 -What kind of clarity you got? -The visibility is not good. 748 00:39:46,930 --> 00:39:49,160 [Ryan] Let's just try to scan the shoreline. 749 00:39:49,160 --> 00:39:51,730 [Josh] There we go. There comes some rock right now. 750 00:39:52,660 --> 00:39:53,900 Okay. 751 00:39:55,760 --> 00:39:57,760 There's a lot of rubble right over here. 752 00:39:57,760 --> 00:40:01,260 -[Ryan] Oh, yeah. -And you'd expect to find that if there was, like, a cave in. 753 00:40:01,260 --> 00:40:03,230 So let's keep moving up this direction. 754 00:40:03,230 --> 00:40:05,330 Right over here along the shoreline, Skinner. 755 00:40:05,330 --> 00:40:08,060 -You see that big rock? right across here. -I see it. 756 00:40:09,160 --> 00:40:12,000 I mean, it almost looks like a collapsed wall of stone. 757 00:40:18,560 --> 00:40:19,700 Oh, look, there. 758 00:40:20,360 --> 00:40:21,360 Right there. Right there. 759 00:40:21,360 --> 00:40:22,300 -Look... look at that. -Yeah. 760 00:40:23,360 --> 00:40:25,400 Does that not look like an entrance to you? 761 00:40:26,230 --> 00:40:27,760 Like, No, [bleep], that's it. 762 00:40:27,760 --> 00:40:29,600 That could lead right to a cave. 763 00:40:30,730 --> 00:40:33,560 This could be an opening into a cave system down there. 764 00:40:33,560 --> 00:40:36,560 There's no telling what could be in that cave. 765 00:40:36,560 --> 00:40:38,360 We've been looking for an entrance, and that could be it. 766 00:40:38,360 --> 00:40:39,760 That's awesome. 767 00:40:43,060 --> 00:40:47,260 [narrator] Next time on the season finale of Blind Frog Ranch. 768 00:40:47,260 --> 00:40:49,600 So we think that beacon is in here somewhere. 769 00:40:49,600 --> 00:40:53,460 [narrator] After locating a potential entrance to the keyhole chamber 770 00:40:53,460 --> 00:40:54,460 with the beacon, 771 00:40:54,460 --> 00:40:58,660 Chad must dive into the flooded cave system. 772 00:40:58,660 --> 00:41:02,530 You know, this underwater cave diving, it's dangerous as hell. 773 00:41:04,860 --> 00:41:06,360 [man] Think you could dive that? 774 00:41:08,030 --> 00:41:09,630 Yeah. 775 00:41:10,930 --> 00:41:14,860 We're possibly looking into one of the entrances to chicomoztov. 776 00:41:14,860 --> 00:41:16,160 [grunts]