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 pass to find out how they were built and why they were mysteriously abandoned.

Some of the world's most incredible engineering projects are now deserted. Explore a ghost town that was once a dangerous industrial hellscape, a giant warship at the bottom of the ocean, and a top secret relic that could have changed the Cold War.

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 Steel Company in 1882 and brought down 44 years after it becomes a tourist attraction by an F-1 tornado which topples over half the bridge in 2003; Chernobyl in Pripryat, Ukraine built in 1970 by the USSR a restricted, technologically advanced city that could house around 50,000 people, which fell to disaster on 26 April 1986 when reactor 4 melts down and the residents are only evacuated after 30 hours, never to return; 52 Tunnel Road, Monte Pasubio Italy, carved 4 miles long at 6,600 feet elevation through the top of the Italian alps in 1916, in only 9 months during brutal winter weather, in an attempt to stop the WWI troops from invading through the mountains to Venice, which costs hundreds of lives in the making but at completion accomplishes its goal, only to be abandoned by the Italian army in 1936 after several ... Written by catnap222

Some of the world's most incredible engineering projects are now deserted. Explore what happened to a massive military site that was once a hotbed for nuclear testing, a top secret airbase hidden inside a mountain, and an otherworldly power plant.

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 top secret Nazi facility, and a strange tower that left an enduring legacy.

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 ambitious Nazi project that met a sinister end, and a Cold War relic that changed history.

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