The country that contains the historic site of Stonehenge is England, part of the United Kingdom. Stonehenge is a prehistoric monument located in Wiltshire, dating back to around 3000 BC to 2000 BC. This mysterious structure consists of a ring of standing stones and is believed to have held astronomical and ceremonial significance for ancient peoples. The site is a UNESCO World Heritage Site and continues to garner interest from archaeologists and tourists alike, offering insights into Neolithic culture and ancient engineering marvels.