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

On a riverside in eastern Austria sat a mysterious set of ruins. Some believed it to be an abandoned, run-down castle. Others ...

Orders for retreat reached some bases at the very last moment ... in the eyes of a large part of Syria's public. Back at the ...

The naval forts were made up of two hollow reinforced concrete towers connected by a large steel platform. They were ...

Army engineers have begun removing shrubs and leveling sand on a desolate 60-acre stretch of the base where Defense Secretary ...

The fort, initially known as Fort William but eventually known as Fort Laramie, was a significant cornerstone of Wyoming's ...

Some believed it to be an abandoned, run-down castle ... still-visible ruins around 1850 and interpreted it as a Roman military fort, but later researchers who tried confirming this theory ...