Underground cities have long been sci-fi fodder, but now governments and planners are taking them seriously. One of the biggest challenges to overcome is convincing people to be comfortable ...

Shanghai engineers are using 432 walking robots to relocate a complex, preserving Shikumen architecture while creating space for a modern underground hub and cultural center.

Beneath your feet lie entire cities carved into rock, from ancient underground metropolises to modern hidden networks. These real underground cities once housed thousands and are packed with ...

Like Europe’s other ancient cities, Rome is perched on one vast archeological site. The modern city sits on top of the detritus of its predecessor cities, arching back into time almost three ...

From ancient catacombs to modern subways, humans have always traveled underground for brief amounts of time. But have entire societies of people ever lived underground? Yes, but historically only ...

Other modern cities, including Montreal, Canada, are utilizing underground space for people. The city has one of the largest subterranean pedestrian networks in the world, spanning more than 30 ...

To see one of the world’s biggest collections of site-specific contemporary public art, go underground into America’s busiest transit system. More than 400 life-size mosaic, glass and other ...

Underground Cities in the Modern Era Surprisingly, the ancient people of Anatolia weren’t alone in their love of underground living.

Learn why some of the most prominent ancient cities were built underground and which ones you can still see today.

The ancient city of Elengubu, known today as Derinkuyu, in Turkey was discovered when a man knocked down the basement wall to catch his chickens.