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Secrets of the Underground

(GULLS CAWING) But decades later, the legendof the Spanish tunnels persists

(GULLS CAWING) But decades later, the legend
of the Spanish tunnels persists

Full Transcript

00:00:01.000 --> 00:00:02.052
(GULLS CAWING)
00:00:02.006 --> 00:00:06.092
But decades later, the legend of the Spanish tunnels persists.
Duration
7 seconds
Views
23
Timestamp in Movie
00:22:12
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 • E02 So this is another door that's been carved out. - Secrets of the Underground 00:04
So this is another door that's been carved out.
S01 • E07 Now from the high country Of eastern california, - Secrets of the Underground 00:07
Now from the high country Of eastern california,
S01 • E08 Is it possible they are still hidden somewhere else under the prison? - Secrets of the Underground 00:05
Is it possible they are still hidden somewhere else under th...
S01 • E03 And as employees from the lodge can attest, - Secrets of the Underground 00:08
And as employees from the lodge can attest,
S01 • E01 OK. That's what we were talking about. All that's been redone. - Secrets of the Underground 00:04
OK. That's what we were talking about. All that's ...
S01 • E08 Maybe future technology will reveal something we've missed. - Secrets of the Underground 00:04
Maybe future technology will reveal something we've mis...
S01 • E07 In the historic town Of groton lies a little-known, - Secrets of the Underground 00:07
In the historic town Of groton lies a little-known,
S01 • E02 I'm guessing it was a tunnel into a greater underground tunnel network, - Secrets of the Underground 00:10
I'm guessing it was a tunnel into a greater underground...
S01 • E03 Not only did our lake go away, the recession was in, too. - Secrets of the Underground 00:04
Not only did our lake go away, the recession was in, too.
S01 • E08 Or maybe like some of the inmates once incarcerated here, - Secrets of the Underground 00:08
Or maybe like some of the inmates once incarcerated here,
S01 • E01 Except for a few pieces of wood that I've discovered. - Secrets of the Underground 00:05
Except for a few pieces of wood that I've discovered.
S01 • E07 Even the site's name, Gungywamp, is an enigma. - Secrets of the Underground 00:04
Even the site's name, Gungywamp, is an enigma.
S01 • E02 The next step is going across the street, directly across here, - Secrets of the Underground 00:11
The next step is going across the street, directly across he...
S01 • E03 It's very depressing to me to see the lake the way it is, - Secrets of the Underground 00:08
It's very depressing to me to see the lake the way it i...
S01 • E08 And now I'm heading from one of America's most iconic sites... - Secrets of the Underground 00:05
And now I'm heading from one of America's most ico...
S01 • E01 The burned wood is compelling evidence - Secrets of the Underground 00:08
The burned wood is compelling evidence
S01 • E07 While others believe it refers To an ancient gaelic phrase. - Secrets of the Underground 00:04
While others believe it refers To an ancient gaelic phrase.
S01 • E03 No-one here is sure why the lake disappeared, - Secrets of the Underground 00:09
No-one here is sure why the lake disappeared,
S01 • E07 For "The church of the people." - Secrets of the Underground 00:06
For "The church of the people."
S01 • E08 To one of its most mysterious, Lake Michigan. - Secrets of the Underground 00:05
To one of its most mysterious, Lake Michigan.