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Secrets of the Underground

To probe these mysteries, I'm going to explore the siteup close and personal

To probe these mysteries, I'm going to explore the site
up close and personal

Full Transcript

00:00:01.000 --> 00:00:02.044
To probe these mysteries,
00:00:02.052 --> 00:00:05.068
I'm going to explore the site up close and personal...
Duration
6 seconds
Views
15
Timestamp in Movie
00:24:06
Uploaded
Jul 13, 2025
Season
1
Episode
8
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 • 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,
S01 • E08 First, I need to talk to the man who made the initial discovery, - Secrets of the Underground 00:07
First, I need to talk to the man who made the initial discov...
S01 • E02 And now I'm investigating an underground link between - Secrets of the Underground 00:07
And now I'm investigating an underground link between
S01 • E01 This mysterious landscape is so bizarre, - Secrets of the Underground 00:07
This mysterious landscape is so bizarre,
S01 • E07 You can look right down Into a cavity right down there. - Secrets of the Underground 00:05
You can look right down Into a cavity right down there.
S01 • E03 I'd searched for other lakes that might offer a clue - Secrets of the Underground 00:07
I'd searched for other lakes that might offer a clue
S01 • E08 If you don't go through Mark Holley, you don't see the site. - Secrets of the Underground 00:04
If you don't go through Mark Holley, you don't see...
S01 • E02 But I'm still not sure what it adds up to, - Secrets of the Underground 00:05
But I'm still not sure what it adds up to,
S01 • E07 Here, let's go down Right through here, - Secrets of the Underground 00:05
Here, let's go down Right through here,
S01 • E01 That might be a stretch, - Secrets of the Underground 00:06
That might be a stretch,
S01 • E03 Last winter, it was one-and-a-half times bigger than Mountain Lake, - Secrets of the Underground 00:09
Last winter, it was one-and-a-half times bigger than Mountai...
S01 • E08 Having granted me special access, - Secrets of the Underground 00:10
Having granted me special access,