History:Mysterious Places — American Stonehenge
A strange stone chamber， a sacrificial altar， a mysterious carving — all a part of one of North America's most controversial archaeological sites. Who constructed this so-called "Stone settlement"? Was it the ancient Celts or was it built more recently by native of Americans? Was astronomy a factor in its design? What does the scientific evidence suggest? How can we begin to unlock the secrets of a place they call "American Stonehenge"?
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/19 11:16:44