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8 Episodes 2018 - 2018
Episode 1
Tue, Mar 20, 201842 mins
A strange Cuban prison, an eerie escape route built for Armageddon, and an underwater marvel that changed history are mysterious deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

Episode 2
Tue, Mar 27, 201842 mins
A mysterious American pyramid built out of Cold War paranoia, a haunted prison, and a strange cluster of structures in the Atlantic are mysterious deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

Episode 3
Tue, Apr 3, 201842 mins
Traces of a Russian hole to hell in the Arctic, a military base in America's wild west, and a strange looming tower are mysterious deserted engineering projects, and new discoveries real how they were built and why they were abandoned.

Episode 4
Tue, Apr 10, 201842 mins
A secret Russian military base in the Gobi Desert, a strange complex in an American wasteland, and a relic high atop a mountain are mysterious deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

Episode 5
Tue, Apr 17, 201842 mins
A secret structure on a sinister mountain, an industrial compound swallowed by a forest, and a mysterious run in a sand dune are strange deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

Episode 6
Tue, Apr 24, 201842 mins
A strange alien shrine on a mountain peak, a bridge built in the Alaskan wilderness, and an American castle with a dangerous secret are mysterious deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

Episode 7
Tue, May 1, 201842 mins
An American ghost town in the Amazon jungle, a secret Nazi base, and a deadly concrete fortress 866 miles long are mysterious deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

Episode 8
Tue, May 8, 201842 mins
A terrifying sea fortress, a highway in the Amazon that suddenly vanishes, and a mysterious structure in the shadow of the Statue of Liberty are deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.
