While the idea of a hidden underground city is tantalizing, the current evidence remains ... any permits for work inside King ...

In this city, a modern underground metro system has eased pollution and crowding in the city’s main arteries above, and glistening new museums, cultural centers, libraries and schools enrich the ...

Archaeologists discovered an ancient underground city beneath Abarkuh, Iran, where residents in Iran escaped above-ground heat. In the subterranean settlement, they found an aqueduct to transport ...

A heated debate has erupted among Egyptologists after researchers claimed to have found an “underground city” beneath the Pyramids of Giza. Is the discovery, based on radar images, groundbreaking or ...