Ring of Brodgar in Orkney
The Ring of Brodgar is a neolithic henge monument with a stone circle in Orkney, Scotland. It is over 300 feed in diameter and of the original 60 stones 27 remained standing into the 20th Century. It is part of the UNESCO World Heritage Site known as the Heart of Neolithic Orkney. It is thought to have been erected between 3,000 and 2,000 BCE.