What he found was the first of over 600 hidden entrances to Derinkuyu, the largest excavated underground city in the world.

Beneath the surface of central Turkey lies Derinkuyu, an underground city that could house more than 20,000 people—entirely ...

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 ...

Derinkuyu is one of the deepest excavated underground cities in Turkey, dug out in early Christian times, when believers hid away from invading armies. Carved from the soft volcanic stone ...

The underground bases built by the German army during the occupation of Jersey, and a group of more than 20 underground cities in Turkey, one of which dates back to 800BC. The secrets of the largest ...

Early human beings lived in caves, and in Turkey, the ancient Derinkuyu Underground City could have sheltered as many as 20,000 people on at least eight levels extending more than 275 feet below ...

In Turkey, Bettany explores the underground cave cities of Cappadocia and the 10,000-year-old temple at Göbeklitepe. She also visits Urfa, believed by some to be the birthplace of Abraham, and Mount ...