Stonehenge is one of tourist attractions in England's most famous. Stonehenge is one of the most important prehistoric sites in the world. Stonehenge was built by a culture that does not leave written records in history, to so many aspects of Stonehenge are still debated today. Evidence suggests that the large stones were founded around 2500 BC. It is not known exactly what the purpose of Stonehenge was built, but many researchers believe the monument was used as a ceremonial or religious center.