Stonehenge, England
Stonehenge is a prehistoric monument in Wiltshire, England, 2 miles (3 km) west of Amesbury and 8 miles (13 km) north of Salisbury. Stonehenge's ring of standing stones are set within earthworks in the middle of the most dense complex of Neolithic and Bronze Agemonuments in England, including several hundred burial mounds.Archaeologists believe it was constructed from 3000 BC to 2000 BC. The surrounding circular earth bank and ditch, which constitute the earliest phase of the monument, have been dated to about 3100 BC.