Derinkuyu is situated under ... it is a rare architectural element for an underground structure and speaks to the religious significance of the city. The underground network was used at various ...

Nile crocodiles dig burrows as deep as 39 feet deep. The Paris Catacombs are 65 feet underground. The ancient city of Derinkuyu lies 279 feet below Turkey. The Greenbrier Bunker in W. Virginia is ...

Cappadocia, a stunning region in central Turkey, is known for its unique landscapes, ancient cave homes, and famous hot air ...