9 foot Nephilim Skeleton Found in Indiana. Smithsonian Scientist Say it Belongs to Ancient White Race. Smithsonian scientist concurs with Native American legends that a giant, white skinned race constructed many of the large mounds in the Ohio.
Silbury Hill, near Avebury in Wiltshire, is the largest prehistoric mound in Europe. It was created around 2660 BCE and stands 130 feet high. Despite centuries of study and excavation, it remains one of the most enigmatic of British prehistoric sites.