The USSR-built Plokštinė Missile Base once housed nuclear missiles aimed at Western Europe. Abandoned in the late 1970s, it’s ...

A top travel destination has uncovered an ancient secret. A little-known network of subterranean passageways hidden beneath ...

ARCHAEOLOGISTS have uncovered an “anomaly” which could reveal a secret portal underneath the tombs of Pharaohs. Researchers ...

Concealed for decades, a huge network of chambers beneath Rome’s Capitoline Hill is to be opened up to the public, revealing ...

A STUNNING piece of Rome’s past has been uncovered after being sealed off more than a century ago. This network of dimly lit ...

The statement added that “some of which could be linked to secret passages of a military nature, also described in drawings by Leonardo da Vinci.” Use of ground-penetrating radar system.

From Boston to Denver, these cities have underground tunnels that you can explore, including this city in New Jersey.

However, there are many other secret passageways. The investigation used advanced technologies, such as GPR and laser scanners, to create an accurate map of the Castle's sub-surface and the ...

NASA scientists have discovered over a dozen hidden entrances to underground caves on the Moon, a breakthrough that could ...

Ground scans beneath the medieval fortification of Milan's Sforza Castle have revealed numerous hidden passages. Some of the tunnels were likely used by the military, while another once linked to ...

“The ground-penetrating radar enriched the 3D model with data on known, but inaccessible, spaces, bringing to light unknown walkways and ideas for further studies on secret passages ...

Originally, the underground passageways ran from the Sacramento River to 12th Street and from I Street to M Street, which is now Capitol Mall.