817-373278 - the Hotier viviane, Called Tomb of the Druids also, has it peaks 191 meters. This is a megalithic monument in the shape of a chest. broceliande, Morbihan, Brittany, France
770-615 - Callanish (Callanais) Stone Circle dating from Neolithic period between 3000 and 1500 BC, at dawn, Isle of Lewis, Outer Hebrides, Scotland, United Kingdom, Europe
770-614 - Ring of Brodgar, stone circle dating from between 2500 and 2000 BC, 27 out of 60 stones still standing, UNESCO World Heritage Site, Mainland, Orkney islands, Scotland, United Kingdom, Europe