The data collected also points to a network of hidden structures below the surface, possibly part of a vast underground city, potentially as expansive as the entire Giza Plateau itself. Mei explained ...

Underground warfare may seem like an ancient tactic, but it's still very much in use One reason Hamas has been a difficult foe for the Israeli military is an extensive network of underground tunnels.

Deep underneath the Turkish region of Cappadocia, Derinkuyu, the world’s largest excavated underground city, stretches not upward toward the sky but deep into the earth. Discovered in 1963, the ...

The ancient city of Elengubu, ... An underground city that once housed 20,000 people lay abandoned until a man followed his chickens through a hole that had appeared in his basement.

The underground city of Naours in northern France isn’t as ancient as some of the others on this list. It’s only a few hundred years old, built in a chalk quarry that dates to the 15th century. People ...

Vatican unearths ancient underground cemetery — and now it’s open to the public By . Hannah Frishberg. Published Nov. 21, 2023, 6:31 p.m. ET.

Archaeologists have discovered ancient underground galleries at a site high in the Peruvian Andes mountains. Researchers made the find near a lagoon located at an altitude of more than 11,200 feet ...

Researchers of ancient Egypt discovered “five identical structures near the Khafre Pyramid’s base, linked by pathways, and eight deep vertical wells descending 648 meters underground ...