Stonehenge is a prehistoric monument located in Wiltshire , England. It consists of a circular set of large standing stones, known as megaliths. It is in the middle of most dense complex of Neolithic and Bronze Age monuments in England .
Archaeologists believe it was built anywhere from 3000 BC to 2000 BC .
The site and its surroundings were added to the UNESCO's list of World Sites in 1986 .
Archaeological evidence indicates that Stonehenge could have been a burial ground from its earliest beginnings
