Overview
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. New discoveries reveal how they were built and why they were abandoned.
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2 - 1Armageddon Highway March 20, 2018 -
2 - 2Curse of the Haunted Prison March 27, 2018
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2 - 3Arctic Hell Pit April 03, 2018
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2 - 4Desert Ghost Fort April 10, 2018
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2 - 5Conspiracy on Devil's Mountain April 17, 2018
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2 - 6Secrets of the Alien Shrine April 24, 2018
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2 - 7Amazon Ghost Town May 01, 2018
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2 - 8Sea Fortress of Doom May 08, 2018