Stonehenge is a world famous iconic prehistoric monument located in Wiltshire, England. It is believed that Stonehenge was built anywhere between 3000 BC to 2000 BC. Stonehenge evolved in several construction phases over 1,500 years. The site was a burial ground at its earliest stage. Bones found in the surrounding area have dated back to 3000 BC. In December 2013, a new visitor center was opened to the public. The center is located about 2 kilometers west of Stonehenge.