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And team geologist Paki Stephenson
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Secrets of the Underground

And team geologist Paki Stephenson piloted the initialROV inspection of the lake bottom,...

And team geologist Paki Stephenson piloted the initial
ROV inspection of the lake bottom, which confirmed something startling

Full Transcript

00:00:01.000 --> 00:00:03.036
And team geologist Paki Stephenson
00:00:03.044 --> 00:00:06.016
piloted the initial ROV inspection of the lake bottom,
00:00:06.024 --> 00:00:08.044
which confirmed something startling.
Duration
8 seconds
Views
16
Timestamp in Movie
00:23:45
Uploaded
Jul 12, 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 • 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 • E08 To probe these mysteries, - Secrets of the Underground 00:06
To probe these mysteries,
S01 • E03 And what we want to do first - Secrets of the Underground 00:05
And what we want to do first
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
S01 • E03 Paki here thinks he has an idea where it is. - Secrets of the Underground 00:04
Paki here thinks he has an idea where it is.
S01 • E01 These mounds are one of the greatest unsolved mysteries - Secrets of the Underground 00:06
These mounds are one of the greatest unsolved mysteries
S01 • E02 I've found clues pointing to highly sensitive secret tunnels - Secrets of the Underground 00:07
I've found clues pointing to highly sensitive secret tu...
S01 • E03 No-one has explained fully how these vents could have drained the lake, - Secrets of the Underground 00:06
No-one has explained fully how these vents could have draine...
S01 • E07 Within these Subterranean structures, - Secrets of the Underground 00:07
Within these Subterranean structures,