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Each failed theory is bringing me closer
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Secrets of the Underground

Each failed theoryis bringing me closer, but I don't have enough informationon the mounds'...

Each failed theory
is bringing me closer, but I don't have enough information
on the mounds' internal structure

Full Transcript

00:00:01.000 --> 00:00:03.048
Each failed theory is bringing me closer,
00:00:03.056 --> 00:00:07.068
but I don't have enough information on the mounds' internal structure.
Duration
8 seconds
Views
14
Timestamp in Movie
00:36:01
Uploaded
Jul 13, 2025
Season
1
Episode
1
Genres
documentary

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Movie Summary

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
S01 • E08 I can make out a series of indentations that could be a carving, - Secrets of the Underground 00:08
I can make out a series of indentations that could be a carv...
S01 • E02 It was a symbol that was to be respected and feared. - Secrets of the Underground 00:04
It was a symbol that was to be respected and feared.
S01 • E03 The lakebed around the leak is very unusual. - Secrets of the Underground 00:04
The lakebed around the leak is very unusual.
S01 • E01 What I really need is to actually see inside one. - Secrets of the Underground 00:04
What I really need is to actually see inside one.
S01 • E02 At the famous Temple Of The Feathered Serpent in Teotihuacan, Mexico, - Secrets of the Underground 00:09
At the famous Temple Of The Feathered Serpent in Teotihuacan...
S01 • E03 It's covered in a field of jagged boulders - Secrets of the Underground 00:07
It's covered in a field of jagged boulders
S01 • E07 Rti is almost known As polynomial texture mapping. - Secrets of the Underground 00:05
Rti is almost known As polynomial texture mapping.
S01 • E08 So I'm going to try out a new piece of technology - Secrets of the Underground 00:10
So I'm going to try out a new piece of technology
S01 • E01 I've got permission to open up a mound on private land, - Secrets of the Underground 00:08
I've got permission to open up a mound on private land,
S01 • E07 It was invented By research scientists in 2001. - Secrets of the Underground 00:04
It was invented By research scientists in 2001.
S01 • E03 The boulder field continues along the ridge to the north of the lake - Secrets of the Underground 00:08
The boulder field continues along the ridge to the north of ...
S01 • E02 Could similar bloodthirsty rituals have taken place here in Ohio, - Secrets of the Underground 00:06
Could similar bloodthirsty rituals have taken place here in ...
S01 • E08 And it allows scientists to create - Secrets of the Underground 00:05
And it allows scientists to create
S01 • E03 So I'm going to follow the trail to see if it offers any clues - Secrets of the Underground 00:06
So I'm going to follow the trail to see if it offers an...
S01 • E01 The only way to get down in these things and get a good cross-section - Secrets of the Underground 00:07
The only way to get down in these things and get a good cros...
S01 • E02 Jarrod has another tech tool we can use to probe for new clues. - Secrets of the Underground 00:05
Jarrod has another tech tool we can use to probe for new clu...
S01 • E07 With the naked eye. - Secrets of the Underground 00:04
With the naked eye.
S01 • E08 Placing scale bars around the rock as a point of reference - Secrets of the Underground 00:12
Placing scale bars around the rock as a point of reference
S01 • E07 We set up At the first carving, - Secrets of the Underground 00:04
We set up At the first carving,
S01 • E02 It senses differences in the Earth's magnetic field as you walk it along. - Secrets of the Underground 00:05
It senses differences in the Earth's magnetic field as ...