S2 E3 4/3/18

Arctic Hell Pit

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 reveal how they were built and why they were abandoned.

Upcoming Airings

Jul 14
10:01pm | 9:01c
Jul 15
2:01am | 1:01c

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