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I'm exploring the idea of a tunnel network
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Secrets of the Underground

I'm exploring the ideaof a tunnel network, and I've heard there'sa pretty elaborate one...

I'm exploring the idea
of a tunnel network, and I've heard there's
a pretty elaborate one underneath the airport, too

Full Transcript

00:00:01.000 --> 00:00:04.000
I'm exploring the idea of a tunnel network,
00:00:04.008 --> 00:00:06.028
and I've heard there's a pretty elaborate one
00:00:06.036 --> 00:00:07.076
underneath the airport, too.
Duration
8 seconds
Views
21
Timestamp in Movie
00:02:18
Uploaded
Jul 12, 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 • E03 This is where I'm meeting local history professor Bill Watson - Secrets of the Underground 00:07
This is where I'm meeting local history professor Bill ...
S01 • E01 During Prohibition, the underground network - Secrets of the Underground 00:07
During Prohibition, the underground network
S01 • E02 Is that true? Yes, and it's actually used to carry bags back and forth. - Secrets of the Underground 00:04
Is that true? Yes, and it's actually used to carry bags...
S01 • E01 The question is, do these rumoured tunnels really exist? - Secrets of the Underground 00:05
The question is, do these rumoured tunnels really exist?
S01 • E02 But that hasn't stopped people from saying it's for other reasons, conspiracy reasons, - Secrets of the Underground 00:07
But that hasn't stopped people from saying it's fo...
S01 • E03 What evidence do we have of a mass gravesite? - Secrets of the Underground 00:04
What evidence do we have of a mass gravesite?
S01 • E03 Well, for years, it was just folklore, - Secrets of the Underground 00:07
Well, for years, it was just folklore,
S01 • E01 And if so, could Capone have accessed them to escape authorities - Secrets of the Underground 00:08
And if so, could Capone have accessed them to escape authori...
S01 • E02 I read that there's just a ton focused here on the airport. - Secrets of the Underground 00:04
I read that there's just a ton focused here on the airp...
S01 • E08 To find out, I'm heading there myself, - Secrets of the Underground 00:08
To find out, I'm heading there myself,
S01 • E03 As a local Irishman, Bill was always interested in this story. - Secrets of the Underground 00:05
As a local Irishman, Bill was always interested in this stor...
S01 • E02 Yeah, you know, whether it's aliens - Secrets of the Underground 00:10
Yeah, you know, whether it's aliens
S01 • E01 My investigation starts at Big Al's favourite poker spot - Secrets of the Underground 00:09
My investigation starts at Big Al's favourite poker spo...
S01 • E03 But in 2002, his fascination took a very personal turn - Secrets of the Underground 00:10
But in 2002, his fascination took a very personal turn
S01 • E08 In recent years, ground penetrating radar, or GPR for short, - Secrets of the Underground 00:09
In recent years, ground penetrating radar, or GPR for short,
S01 • E01 Opened in 1905, this downtown hot spot's old world grandeur - Secrets of the Underground 00:08
Opened in 1905, this downtown hot spot's old world gran...
S01 • E02 Is it possible to get down there and look at the tunnels - Secrets of the Underground 00:05
Is it possible to get down there and look at the tunnels
S01 • E03 This is the Pennsylvania Railroad file - Secrets of the Underground 00:06
This is the Pennsylvania Railroad file
S01 • E02 At the end of the day, this is a major international airport - Secrets of the Underground 00:10
At the end of the day, this is a major international airport
S01 • E08 Including a mysterious network of tunnels - Secrets of the Underground 00:10
Including a mysterious network of tunnels