Posted: May 1, 2025 | Last updated: July 10, 2025 Beneath the surface of central Turkey lies Derinkuyu, an underground city that could house more than 20,000 people—entirely hidden until the 1960s.

Beneath the surface of Turkey lies Derinkuyu, an ancient underground city built to house 20,000 people. But why was it created, and who lived here? Join me as I explore its deep tunnels and ...