January 26, 2026
Derinkuyu: The Giant Underground City Hiding 20,000 Lives Beneath Cappadocia
Deep under Cappadocia in Turkey lies Derinkuyu, the largest underground city ever found. It spans 18 levels and housed 20,000 people for centuries. Carved from soft volcanic rock, this underground maze was a refuge during invasions. Rediscovered in 1963, it shows human skill and survival deep below the surface.