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6 Seasons
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S3 E10 12/11/18

Secrets of Alien Stonehenge

An alien Stonehenge with a sinister purpose, an eerie building filled with strange labyrinths, and an endless concrete track in the middle of nowhere are deserted engineering projects, and new discoveries reveal why they were abandoned.

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Discovery Exploration

Seasons

Episode   1

Doomsday at Dragon's Teeth

Episode   2

Nightmare on Blood Mountain

Episode   3

Tower of Death

Episode   4

Underwater Ghost Prison

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

Episode   10

Secrets of Alien Stonehenge