Alcatraz Island as a Military Prison in 1923

[@blisseyran-dom6822]

This is the best thing I've ever seen in my life (No satire, I love alcatraz lol). So interesting that their are so many buildings which I never ever knew existed, like the extension on powerhouse.

[@uspalcatraz4355]

I love the second smokestack at 0:42.

[@MrJeep75]

Cool footage