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Secrets of the Underground

You can see all these little mounds, and they look somewhat even

You can see all these little mounds, and they look somewhat even

Full Transcript

00:00:01.000 --> 00:00:03.024
You can see all these little mounds,
00:00:03.032 --> 00:00:05.028
and they look somewhat even.
Duration
5 seconds
Views
24
Timestamp in Movie
00:26:47
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 So, if this is man-made, who would have made it and why? - Secrets of the Underground 00:05
So, if this is man-made, who would have made it and why?
S01 • E01 Or do they? Is it just that my brain wants to see a pattern, - Secrets of the Underground 00:07
Or do they? Is it just that my brain wants to see a pattern,
S01 • E02 But the real focal point of broader suspicions - Secrets of the Underground 00:10
But the real focal point of broader suspicions
S01 • E03 The first step to solving this mystery - Secrets of the Underground 00:10
The first step to solving this mystery
S01 • E07 Are found on the west coast Of ireland, - Secrets of the Underground 00:08
Are found on the west coast Of ireland,
S01 • E01 It's a psychological phenomenon, pareidolia. - Secrets of the Underground 00:05
It's a psychological phenomenon, pareidolia.
S01 • E08 Once we're out in open water, - Secrets of the Underground 00:07
Once we're out in open water,
S01 • E02 An area believed to be big enough to house 32 city blocks - Secrets of the Underground 00:07
An area believed to be big enough to house 32 city blocks
S01 • E01 Our brains are wired to detect human faces from birth, - Secrets of the Underground 00:08
Our brains are wired to detect human faces from birth,
S01 • E07 If vance's theory is true, - Secrets of the Underground 00:05
If vance's theory is true,
S01 • E08 So I join underwater archaeologist Mark Holley on the top deck - Secrets of the Underground 00:08
So I join underwater archaeologist Mark Holley on the top de...
S01 • E02 Is all that space really just for baggage handlers? - Secrets of the Underground 00:04
Is all that space really just for baggage handlers?
S01 • E03 Once the ROV settles, - Secrets of the Underground 00:06
Once the ROV settles,
S01 • E01 Because of that, we sometimes see faces or distinct shapes - Secrets of the Underground 00:13
Because of that, we sometimes see faces or distinct shapes
S01 • E02 But if it is part of some large classified site, - Secrets of the Underground 00:08
But if it is part of some large classified site,
S01 • E03 But if Paki stirs up silt with the thrusters and there is a leak, - Secrets of the Underground 00:09
But if Paki stirs up silt with the thrusters and there is a ...
S01 • E07 Likely reached these shores long Before the spaniard set sail. - Secrets of the Underground 00:05
Likely reached these shores long Before the spaniard set sai...
S01 • E08 We were looking for a shipwreck, - Secrets of the Underground 00:05
We were looking for a shipwreck,
S01 • E07 One author believes that A celebrated chinese mariner. - Secrets of the Underground 00:04
One author believes that A celebrated chinese mariner.
S01 • E08 We had no idea what it was, - Secrets of the Underground 00:06
We had no idea what it was,