Stonehenge is one of Britain's most famous prehistoric sites, dating back over 4,500 years. The giant stone circle was likely used as a Neolithic temple and attracts many visitors annually due to its mysterious origins and incredible architectural complexity. Historian Susan Greaney discusses how new laser surveys are revealing details about how the stones were carved and arranged. While there are myths that the stones were transported from Ireland by the wizard Merlin, archaeological evidence shows that some smaller stones originated from Wales. Stonehenge offers a glimpse into Britain's rich cultural heritage.