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Mysteries of the Abandoned

Season 3, episode 4. This player now records resume state for the active profile so browse, account, and detail pages can bring you back here quickly.

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S3 E4

Underwater Ghost Prison

An entrance to the underworld in the American wild, a haunting Soviet underwater prison, and a strange complex of towers in a forest of ice are deserted engineering projects; new discoveries reveal how they were built and why they were abandoned.

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Season 3

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Episode 1: Doomsday at Dragon's Teeth

Episode 2: Nightmare on Blood Mountain

Episode 3: Tower of Death

Episode 4: Underwater Ghost Prison

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Episode 5: America's Doomsday Town

Episode 6: City of the Damned

Episode 7: The Town That Disappeared

Episode 8: Nazi Death Star

Episode 9: The Real Shawshank

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Episode 10: Secrets of Alien Stonehenge