A man from Derinkuyu, in the Nevşehir province of Turkey, was in the process of renovating his basement. Armed with only a sledgehammer, he began breaking through one of the walls, chipping away ...

Derinkuyu is situated under the historical region of Cappadocia and is the deepest of 36 underground cities. This sprawling subterranean metropolis, reaching depths of around 85 meters (279 feet ...

The Paris Catacombs are 65 feet underground. The ancient city of Derinkuyu lies 279 feet below Turkey. The Greenbrier Bunker in W. Virginia is 720 feet underground. It was built to keep Congress ...

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