An eerie set of buildings in Paris is evidence of unspeakable evil; new discoveries reveal the horrific things that happened here, and why they were abandoned. ...

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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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Some of the world's most incredible engineering projects are now deserted. Explore what happened to a cutting-edge research complex built by a visionary genius, an ambiti ...

Some of the world's most incredible engineering projects are now deserted. Explore what happened to a classified Soviet machine built to prevent all-out nuclear war, a to ...

Exploring various historical sites, who built them and why they became abandoned...the Kinzua Viaduct from Pennsylvania to the Great Lakes region, built by the Phoenix St ...

Some of the world's most incredible engineering projects are now deserted. Revisit a Soviet megastructure, a massive Nazi brainwashing complex, and a dangerous desert pas ...