is a prehistoric monument in Wiltshire, England, about 2
miles (3.2 km) west of Amesbury and 8 miles (13 km) north of
Salisbury. One of the most famous sites in the world, Stonehenge is the remains
of a ring of standing stones set within earthworks. It is in the middle of the
most dense complex of Neolithic and Bronze Age monuments in England, including
several hundred burial mounds.
Archaeologists believe it was built anywhere from 3000 BC to 2000 BC.
Radiocarbon dating in 2008 suggested that the first stones were raised between
2400 and 2200 BC, whilst another theory suggests that