Archaeologists have made a sensational discovery beneath the Baltic Sea - a 3,000-foot-long stone wall that could ...

Some of the most mysterious ancient ... mysterious stone chambers that have left archaeologists puzzled for generations. Some experts claim there may be over 250,000 miles of stone walls under ...

Ancient Athens had its own "Great Wall" like China's, built to stop raids during the Peloponnesian War (431-404 BC).

Two ancient stone circles have emerged ... A mile north of Metheral lies the second stone circle, located near a feature called Irishman’s Wall. Although only six stones remain visible ...