Top 10 Underground Cities In The World 

Located in Cappadocia, Derinkuyu is an ancient underground city that served as a hiding place for thousands of people during times of conflict.

Derinkuyu, Turkey

This massive underground city in Beijing was built during the Cold War as a shelter in case of a nuclear attack.

Beijing Underground City, China

Montreal Underground City is a vast network of interconnected tunnels and shopping malls.

Montreal Underground City, Canada

Krakow features a stunning underground complex that includes chapels, sculptures, and even an underground lake.

Wieliczka Salt Mine, Poland

Cu Chi Tunnels are an intricate network of underground passages that were used for hiding, transportation, and communication.

Cu Chi Tunnels, Vietnam

Setenil de las Bodegas is a unique town in Spain where many of the houses are built directly into the rock, creating an underground-like atmosphere.

Setenil de las Bodegas, Spain

Matmata is a village where people have been living underground for centuries, using natural caves for shelter.

Matmata, Tunisia

Cavusin features a complex network of tunnels and chambers that were once inhabited by early Christians.

Cavusin, Turkey

Coober Pedy is a town where many of the residents live in underground homes to escape the extreme desert heat.

Coober Pedy, Australia

Shinjuku Gyoen National Garden is used for government facilities and emergency evacuation.

Shinjuku Gyoen National Garden, Tokyo, Japan