The megalithic site of Stonehenge, located in Salisbury, England is one of the most recognizable archaeological mysteries in the world today. Construction of this landmark started between 3,000 and 2,000 BC. Used as a burial site, its design changed and evolved many times over the centuries. Its last use occurred in the Iron Age. See Stonehenge: A Megalithic Monument of Britain’s Ancient People for more information about this landmark.