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I'm guessing it was a tunnel into a greater underground tunnel network
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Secrets of the Underground

I'm guessing it was a tunnel intoa greater underground tunnel network, but I don't know...

I'm guessing it was a tunnel into
a greater underground tunnel network, but I don't know why this tunnel
would be here, I don't know where it goes

Full Transcript

00:00:01.000 --> 00:00:04.096
I'm guessing it was a tunnel into a greater underground tunnel network,
00:00:05.004 --> 00:00:07.084
but I don't know why this tunnel would be here,
00:00:07.092 --> 00:00:09.096
I don't know where it goes.
Duration
10 seconds
Views
22
Timestamp in Movie
00:22:25
Uploaded
Jul 09, 2025
Season
1
Episode
2
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 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 • 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 • 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 • 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.
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 • E01 Capone could conceivably have used it - Secrets of the Underground 00:06
Capone could conceivably have used it
S01 • E02 I make my way across the road to one of Lower Downtown's - Secrets of the Underground 00:08
I make my way across the road to one of Lower Downtown'...
S01 • E08 One of the five Great Lakes of North America, - Secrets of the Underground 00:07
One of the five Great Lakes of North America,
S01 • E01 These secret stairs would lead him almost directly to the Rathskellar, - Secrets of the Underground 00:16
These secret stairs would lead him almost directly to the Ra...
S01 • E02 Originally built in 1863 as a saloon and boarding house, - Secrets of the Underground 00:08
Originally built in 1863 as a saloon and boarding house,
S01 • E07 Lie buried beneath The freshly fallen snow. - Secrets of the Underground 00:05
Lie buried beneath The freshly fallen snow.
S01 • E03 To find out, I'm meeting up with a team of specialists - Secrets of the Underground 00:06
To find out, I'm meeting up with a team of specialists
S01 • E08 Its waters are a time capsule of lost human history, - Secrets of the Underground 00:06
Its waters are a time capsule of lost human history,