Stonehenge is a prehistoric monument located in the English county of Wiltshire, about 2 Miles west of Amesbury and 8 Miles north of Salisbury. One of the most famous sites in the world, Stonehenge is composed of earthworks surrounding a circular setting of large standing stones. It is at the centre of the most dense complex of Neolithic and Bronze Age monuments in England, including several hundred burial mounds. Archaeologists believed that the iconic stone monument was erected around 2500 BC.