Blowing Up History

4:00 AM to 5:00 AM

Wednesday 28 May

Alcatraz's Hidden Secrets

Season 4 Episode 2 of 28

Alcatraz is one of the most famous prisons in the world. Experts investigate its remarkable engineering secrets and why it was so hard to escape from.

Blowing Up History airs on Discovery Channel at 4:00 AM, Wednesday 28 May. (Subtitles.)

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Documentary