This is the latest in the series America Unearthed, called: Stonehenge in America.
FAIR USE NOTICE: This video may contain copyrighted material. Such material on this site is distributed without profit and is made available for research and educational purposes only. This constitutes a 'fair use' of any such copyrighted material as provided for in Title 17 U.S.C. section 106A-117 of the US Copyright Law.