Ancient civilizations accomplished feats of engineering that continue to challenge modern understanding. Despite advances ...

The Sein Island submerged stone structures include a football-field-long granite wall off Brittany that dates back more than ...

Kinstone, which overlooks the Mississippi River in Fountain City, Wisconsin, is home to giant stone structures that often remind visitors of Stonehenge. The land has been in founder and creator ...

Archaeologists have finally uncovered the purpose of four mysterious stone megastructures scattered across Europe. These ancient constructions, once thought to be ritualistic or defensive, have been ...