Turkey’s Derinkuyu, located in the Cappadocia region, is the largest excavated underground city in the world. Built across multiple centuries and carved deep into soft volcanic rock, it ...

A man from Derinkuyu, in the Nevşehir province of ... Given that this region of Turkey is known for its extensive and intricate underground cave systems, he initially assumed he had accidentally ...

A man from Derinkuyu, in the Nevsehir province of Turkey was renovating his basement. Using only a sledgehammer, he broke through one of his walls; and felt cool air coming in from the other side.