It is the largest excavated underground city in the world and stretches more than 85 metres below the surface.

Not big on heights? Get a different perspective on Cappadocia deep in the Derinkuyu underground city, one of dozens of ...

In the heart of Turkey lies Cappadocia, a region famous for its ... During the Cold War era, Beijing constructed an extensive underground city designed to shelter residents in the event of a ...

The rock fortress of Uchisar Castle stands at Cappadocia's highest point. (Bob Sessions) The next day we toured another subterranean site, the Kaymakli Underground City, a sprawling labyrinth that ...