To watch in HD, get ClipCafe PRO
But some believe this idyllic metropolis
Please log in to add to collections.
Secrets of the Underground

But some believethis idyllic metropolis is hiding an enormous secret

But some believe
this idyllic metropolis is hiding an enormous secret

Full Transcript

00:00:01.000 --> 00:00:03.032
But some believe this idyllic metropolis
00:00:03.004 --> 00:00:05.006
is hiding an enormous secret.
Duration
6 seconds
Views
21
Timestamp in Movie
00:01:18
Uploaded
Jul 13, 2025
Season
1
Episode
2
Genres
documentary

Want This Clip in HD?

Upgrade for HD/4K downloads and unlimited access. Upgrade now →

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 Alcatraz, one of the world's most notorious prisons. - Secrets of the Underground 00:05
Alcatraz, one of the world's most notorious prisons.
S01 • E01 Louisville, Kentucky, known for its bourbon, - Secrets of the Underground 00:08
Louisville, Kentucky, known for its bourbon,
S01 • E03 In Chester County, Pennsylvania, 20 miles west of Philadelphia, - Secrets of the Underground 00:11
In Chester County, Pennsylvania, 20 miles west of Philadelph...
S01 • E02 There are claims that hidden deep under the city - Secrets of the Underground 00:06
There are claims that hidden deep under the city
S01 • E08 Built on a 22-acre island surrounded by the frigid San Francisco Bay, - Secrets of the Underground 00:14
Built on a 22-acre island surrounded by the frigid San Franc...
S01 • E01 But this southern jewel of the blue grass state - Secrets of the Underground 00:06
But this southern jewel of the blue grass state
S01 • E02 And rumours have swirled about the existence of tunnel entrances - Secrets of the Underground 00:09
And rumours have swirled about the existence of tunnel entra...
S01 • E01 This birthplace of America's only native whiskey - Secrets of the Underground 00:11
This birthplace of America's only native whiskey
S01 • E03 According to locals, this area is the site of a mass grave. - Secrets of the Underground 00:04
According to locals, this area is the site of a mass grave.
S01 • E02 Under the airport, - Secrets of the Underground 00:07
Under the airport,
S01 • E03 The final resting place of dozens of Irish immigrants - Secrets of the Underground 00:10
The final resting place of dozens of Irish immigrants
S01 • E08 Its location and design made it almost impossible for inmates to escape, - Secrets of the Underground 00:08
Its location and design made it almost impossible for inmate...
S01 • E01 Yet for nearly a decade, he conducted his illicit booze trade - Secrets of the Underground 00:07
Yet for nearly a decade, he conducted his illicit booze trad...
S01 • E02 Conspiracy theorists have made wild assertions that these tunnels - Secrets of the Underground 00:10
Conspiracy theorists have made wild assertions that these tu...
S01 • E08 Over the decades, there were at least 14 separate escape attempts - Secrets of the Underground 00:07
Over the decades, there were at least 14 separate escape att...
S01 • E01 Whenever one of his preferred hangouts was raided, - Secrets of the Underground 00:05
Whenever one of his preferred hangouts was raided,
S01 • E03 Were they innocent victims of disease, - Secrets of the Underground 00:06
Were they innocent victims of disease,
S01 • E01 Witnesses claimed he'd be there one minute, - Secrets of the Underground 00:07
Witnesses claimed he'd be there one minute,
S01 • E02 I'm not sure I buy into these claims, - Secrets of the Underground 00:08
I'm not sure I buy into these claims,
S01 • E08 Many had heard about a legendary network of tunnels - Secrets of the Underground 00:07
Many had heard about a legendary network of tunnels