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The 6th century irish Were expert seafarers
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Secrets of the Underground

The 6th century irishWere expert seafarers, Likely sailing seamlesslyBetween the irish...

The 6th century irish
Were expert seafarers, Likely sailing seamlessly
Between the irish isles

Full Transcript

00:00:01.000 --> 00:00:04.002
The 6th century irish Were expert seafarers,
00:00:04.021 --> 00:00:07.047
Likely sailing seamlessly Between the irish isles.
Duration
7 seconds
Views
26
Timestamp in Movie
00:34:12
Uploaded
Jul 13, 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 • 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...
S01 • E03 I have to work the sub loose without dislodging any boulders. - Secrets of the Underground 00:04
I have to work the sub loose without dislodging any boulders...
S01 • E07 With only leather, wood, And primitive tools. - Secrets of the Underground 00:04
With only leather, wood, And primitive tools.
S01 • E01 I'm heading to meet Dr John Vidale, - Secrets of the Underground 00:08
I'm heading to meet Dr John Vidale,
S01 • E07 Shockingly, he completed The 4,500 miles voyage, - Secrets of the Underground 00:08
Shockingly, he completed The 4,500 miles voyage,
S01 • E02 Has anybody found any indications of burial mounds? - Secrets of the Underground 00:04
Has anybody found any indications of burial mounds?
S01 • E03 One wrong move could trap the ROV or me underneath. - Secrets of the Underground 00:05
One wrong move could trap the ROV or me underneath.
S01 • E08 I'm descending to the bottom of Lake Michigan to get a closer look - Secrets of the Underground 00:10
I'm descending to the bottom of Lake Michigan to get a ...
S01 • E01 In this particular area, - Secrets of the Underground 00:07
In this particular area,
S01 • E02 But Jarrod tells me he's seen similar anomalies - Secrets of the Underground 00:06
But Jarrod tells me he's seen similar anomalies
S01 • E07 Is this archaeological evidence That will rewrite history, - Secrets of the Underground 00:07
Is this archaeological evidence That will rewrite history,
S01 • E02 And taken as a whole, their pattern and scale - Secrets of the Underground 00:10
And taken as a whole, their pattern and scale
S01 • E08 At first, I expected this peculiar-shaped formation - Secrets of the Underground 00:09
At first, I expected this peculiar-shaped formation
S01 • E03 You could lose a lot of water in a lake like this - Secrets of the Underground 00:07
You could lose a lot of water in a lake like this
S01 • E07 To get a better look, I'm going To deploy a new technology. - Secrets of the Underground 00:04
To get a better look, I'm going To deploy a new technol...