The stone circle at Castlerigg (alt. Keswick Carles, Carles, Carsles or Castle-rig) is situated near Keswick in Cumbria, North West England. It was constructed as a part of a megalithic tradition that lasted from 3,300 to 900 BCE, during the Late Neolithic and Early Bronze Ages.
thk: The Ring of Brodgar is a Neolithic henge and stone circle about 6 miles north-east of Stromness on the Mainland, the largest island in Orkney, Scotland. It is part of the UNESCO World Heritage Site known as the Heart of Neolithic Orkney. Wikipedia