Best Of London: Day 9 - Slideshows | James-Andrew Davis of Great Britain celebrates beating Alaaeldin Abouelkassem of Egypt during the Men's Foil Team Fencing on Day 9. (Photo: Hannah Johnston / Getty Images) NBC Olympics
Castlerigg stone circle. The stone circle at Castlerigg (alt. Keswick Carles, Carles, Carsles or Castle-rig) is situated near Keswick in Cumbria, North West England. One of around 1,300 stone circles in the British Isles and Brittany, 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.