Blowing Up History

4:00 AM to 5:00 AM

Wednesday 21 October

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 Science at 4:00 AM, Wednesday 21 October. (Subtitles.)

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