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Geophysicist Tim Bechtel
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Secrets of the Underground

Geophysicist Tim Bechtel, who joined me earlierto investigate Duffy's Cut, is an expert...

Geophysicist Tim Bechtel, who joined me earlier
to investigate Duffy's Cut, is an expert on
underground sensing technology

Full Transcript

00:00:01.000 --> 00:00:03.024
Geophysicist Tim Bechtel,
00:00:03.032 --> 00:00:06.000
who joined me earlier to investigate Duffy's Cut,
00:00:06.008 --> 00:00:09.032
is an expert on underground sensing technology.
Duration
9 seconds
Views
19
Timestamp in Movie
00:23:36
Uploaded
Jul 13, 2025
Season
1
Episode
3
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 • E07 What this reminds me of is Some sort of medieval structure. - Secrets of the Underground 00:05
What this reminds me of is Some sort of medieval structure.
S01 • E01 ..a sprawling plain covered by earthen mounds, - Secrets of the Underground 00:09
..a sprawling plain covered by earthen mounds,
S01 • E07 Are these ruins harboring An incredible secret? - Secrets of the Underground 00:04
Are these ruins harboring An incredible secret?
S01 • E03 And team geologist Paki Stephenson - Secrets of the Underground 00:08
And team geologist Paki Stephenson
S01 • E08 Some even believe they can decipher a man-made carving - Secrets of the Underground 00:06
Some even believe they can decipher a man-made carving
S01 • E02 I can't tell if the tunnel behind this door - Secrets of the Underground 00:12
I can't tell if the tunnel behind this door
S01 • E07 To detect details that haven't Been seen in centuries. - Secrets of the Underground 00:04
To detect details that haven't Been seen in centuries.
S01 • E03 Water was leaking out through four large funnels at the bottom. - Secrets of the Underground 00:05
Water was leaking out through four large funnels at the bott...
S01 • E08 For starters, if this is man-made, how did it get 40ft underwater? - Secrets of the Underground 00:06
For starters, if this is man-made, how did it get 40ft under...
S01 • E03 We set up on a pontoon boat, - Secrets of the Underground 00:06
We set up on a pontoon boat,
S01 • E08 And even more perplexing, what exactly is it? - Secrets of the Underground 00:04
And even more perplexing, what exactly is it?
S01 • E01 In all directions, as far as the eye can see, - Secrets of the Underground 00:06
In all directions, as far as the eye can see,
S01 • E03 Somewhere out here are those old vents. - Secrets of the Underground 00:05
Somewhere out here are those old vents.
S01 • E07 In groton, connecticut, - Secrets of the Underground 00:05
In groton, connecticut,
S01 • E03 And what we want to do first - Secrets of the Underground 00:05
And what we want to do first
S01 • E08 To probe these mysteries, - Secrets of the Underground 00:06
To probe these mysteries,
S01 • E01 Are they man-made, - Secrets of the Underground 00:08
Are they man-made,
S01 • E02 Some believe there is a vast government conspiracy playing out beneath Denver, - Secrets of the Underground 00:12
Some believe there is a vast government conspiracy playing o...
S01 • E03 We wanna scour the bottom for different areas - Secrets of the Underground 00:05
We wanna scour the bottom for different areas
S01 • E08 By deploying state-of-the-art technology that can capture - Secrets of the Underground 00:07
By deploying state-of-the-art technology that can capture