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Secrets of the Underground

An ogham sign for "Lord." But couldn't someoneWith knowledge of these symbols

An ogham sign for "Lord." But couldn't someone
With knowledge of these symbols

Full Transcript

00:00:01.000 --> 00:00:02.066
An ogham sign for "Lord."
00:00:02.067 --> 00:00:05.269
But couldn't someone With knowledge of these symbols.
Duration
5 seconds
Views
15
Timestamp in Movie
00:33:46
Uploaded
Jul 08, 2025
Season
1
Episode
7
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 Look at that! All of a sudden it's forming mounds on the surface. - Secrets of the Underground 00:05
Look at that! All of a sudden it's forming mounds on th...
S01 • E03 It's freezing cold, very cold. - Secrets of the Underground 00:04
It's freezing cold, very cold.
S01 • E07 Vance thinks It's highly unlikely, - Secrets of the Underground 00:06
Vance thinks It's highly unlikely,
S01 • E01 Right down here, you can see what looks exactly like the Mima Mounds, - Secrets of the Underground 00:08
Right down here, you can see what looks exactly like the Mim...
S01 • E03 The ROV's umbilical leads me toward the trapped sub... - Secrets of the Underground 00:05
The ROV's umbilical leads me toward the trapped sub...
S01 • E08 We're just going down, looking and taking pictures. OK. - Secrets of the Underground 00:04
We're just going down, looking and taking pictures. OK.
S01 • E02 I'm using ground penetrating radar - Secrets of the Underground 00:06
I'm using ground penetrating radar
S01 • E08 Mark and Hank have agreed to allow just one dive to the site. - Secrets of the Underground 00:05
Mark and Hank have agreed to allow just one dive to the site...
S01 • E02 And I've just come across an underground anomaly - Secrets of the Underground 00:07
And I've just come across an underground anomaly
S01 • E07 In connecticut 1,500 years ago, - Secrets of the Underground 00:06
In connecticut 1,500 years ago,
S01 • E01 The problem is, I'm not sure if this scales up to a larger level, - Secrets of the Underground 00:09
The problem is, I'm not sure if this scales up to a lar...
S01 • E03 It's wedged deep in what appears to be a kind of tunnel. - Secrets of the Underground 00:05
It's wedged deep in what appears to be a kind of tunnel...
S01 • E08 If I'm going to solve the mystery of this underwater Stonehenge, - Secrets of the Underground 00:05
If I'm going to solve the mystery of this underwater St...
S01 • E07 The 6th century irish Were expert seafarers, - Secrets of the Underground 00:07
The 6th century irish Were expert seafarers,
S01 • E03 I've been on countless dives in freshwater lakes - Secrets of the Underground 00:08
I've been on countless dives in freshwater lakes
S01 • E02 So down in the ground here, - Secrets of the Underground 00:05
So down in the ground here,
S01 • E07 But could they have made it All the way across the atlantic? - Secrets of the Underground 00:05
But could they have made it All the way across the atlantic?
S01 • E01 To figure that out, I need more information - Secrets of the Underground 00:05
To figure that out, I need more information
S01 • E07 In the 1970s, Renowned explorer tim severin. - Secrets of the Underground 00:04
In the 1970s, Renowned explorer tim severin.
S01 • E02 The GPR is telling us there's definitely something other than soil - Secrets of the Underground 00:06
The GPR is telling us there's definitely something othe...