Season 02
Season 03
Season 04
Season 06
Season 07
Season 08
	            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.
All Episodes - S03
                    EPS01
For the past seven years, engineer Philip Grossman's obsession has been the abandoned landscape that has developed out of the infamous nuclear disaster at Chernobyl. In 2 ...
                    EPS02
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 ...
                    EPS03
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 projec ...
                    EPS04
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, an ...
                    EPS05
Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Tod ...
                    EPS06
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 pr ...
                    EPS07
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 disco ...
                    EPS08
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 proj ...
                    EPS09
Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Tod ...
                    EPS10
Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Tod ...