How deep is the deepest underground city?
How deep is the deepest underground city? Derinkuyu, Cappadocia, Turkey Cappadocia city, located in central Turkey, is home to no less than 36 underground cities, and at a depth of approx. 85 m, Derinkuyu is the deepest.
How deep is the deepest city?
The ancient city of Elengubu, known today as Derinkuyu, burrows more than 85m below the Earth's surface, encompassing 18 levels of tunnels.
Do secret cities exist?
Some cities are so top-secret they can't even be found on a map. Others are padlocked, hidden in the forest, or buried deep underground. From Poland's 800-year-old Wieliczka Salt Mines to America's WWII mystery towns, SPYSCAPE explores some of the world's most intriguing secret cities.