Stonehenge and Avebury, in Wiltshire, are among the most famous groups of megaliths in the world. The two sanctuaries consist of circles of menhirs arranged in a pattern whose astronomical ...

There are countless megalithic sites around the world ... the "Dolmen of Guadalperal," also known as the "Spanish Stonehenge," is located in what is now a human-made lake in western Spain.

Archaeologists believe the six-ton sandstone megalith was "installed at Stonehenge during the second construction phase, around 2620 B.C. to 2480 B.C.," The New York Times said. The researchers ...

The county of Wiltshire in the south of England is home to the world-famous Stonehenge, a prehistoric megalithic structure ...