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Since the mid-19th century, Alcatraz has been synonymous with outlaws
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Secrets of the Underground

Since the mid-19th century, Alcatrazhas been synonymous with outlaws

Since the mid-19th century, Alcatraz
has been synonymous with outlaws

Full Transcript

00:00:01.000 --> 00:00:05.000
Since the mid-19th century, Alcatraz has been synonymous with outlaws.
Duration
5 seconds
Views
18
Timestamp in Movie
00:03:38
Uploaded
Jul 11, 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 Facts that have fuelled rumours - Secrets of the Underground 00:06
Facts that have fuelled rumours
S01 • E03 To build what came to be known as Duffy's Cut, - Secrets of the Underground 00:06
To build what came to be known as Duffy's Cut,
S01 • E08 During the Civil War, Confederate sympathisers - Secrets of the Underground 00:06
During the Civil War, Confederate sympathisers
S01 • E02 Despite being only the sixth-busiest airport in the US, - Secrets of the Underground 00:11
Despite being only the sixth-busiest airport in the US,
S01 • E01 So I journey with hotel representative Jim Meyer - Secrets of the Underground 00:09
So I journey with hotel representative Jim Meyer
S01 • E03 They were among the tens of thousands of Irish immigrants who arrived that year, - Secrets of the Underground 00:08
They were among the tens of thousands of Irish immigrants wh...
S01 • E08 After the Spanish-American War, the rising inmate population, - Secrets of the Underground 00:12
After the Spanish-American War, the rising inmate population...
S01 • E01 This is the same direction Al Capone would have made. - Secrets of the Underground 00:04
This is the same direction Al Capone would have made.
S01 • E02 Its final cost was almost two billion dollars over budget, - Secrets of the Underground 00:09
Its final cost was almost two billion dollars over budget,
S01 • E03 But within weeks of reaching their new home, - Secrets of the Underground 00:08
But within weeks of reaching their new home,
S01 • E01 And right over here is the opening to the tunnel. - Secrets of the Underground 00:04
And right over here is the opening to the tunnel.
S01 • E02 It has the longest commercial runway in the country, - Secrets of the Underground 00:09
It has the longest commercial runway in the country,
S01 • E03 Legend has it, their bodies were then dumped - Secrets of the Underground 00:06
Legend has it, their bodies were then dumped
S01 • E08 Wow. There wasn't a lot to like, but they did like the fact - Secrets of the Underground 00:07
Wow. There wasn't a lot to like, but they did like the ...
S01 • E03 What was it like in 1832 for these Irish people coming here? - Secrets of the Underground 00:05
What was it like in 1832 for these Irish people coming here?
S01 • E08 You didn't have to worry about being assaulted by your bunkie. - Secrets of the Underground 00:04
You didn't have to worry about being assaulted by your ...
S01 • E02 Records show that during the airport's original construction, - Secrets of the Underground 00:09
Records show that during the airport's original constru...
S01 • E01 Looks like it was carved out by explosives or something. - Secrets of the Underground 00:05
Looks like it was carved out by explosives or something.
S01 • E08 The downside was you could spend up to 23 hours a day in these cells. - Secrets of the Underground 00:06
The downside was you could spend up to 23 hours a day in the...
S01 • E03 BILL: The unfortunate scenario for our men, average age 22... - Secrets of the Underground 00:05
BILL: The unfortunate scenario for our men, average age 22.....