Camp Century was built to store nukes beneath Greenland's ice. See photos of the underground, "Star Wars"-like site.

Mouldy half-finished food on bunk beds, discarded military uniforms and abandoned weapons - these ... built deep networks of underground bases, supplying arms and training to thousands of fighters.

coal was mined in nearly half of the state's 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards that officials say can arise at any time. There are as ...

Thirty-five years after the Soviet military began departing Czechia's Milovice Air Base, armored hangars that once held MiG ...

In Pennsylvania, there are at least "5,000 abandoned underground mines." Many more states, including others in Appalachia, plus Nevada and California, are also dotted with them. As the general ...

The inception of the US Naval Communications Station in Nea Makri dates back to 1953. This period marked a deepening military alliance between the United States and Greece, coinciding with the Korean ...

Its elite Islamic Revolutionary Guard Corps (IRGC) built deep networks of underground bases ... Back at the abandoned base, Iran's military expansion was still under way even in the last days.