Ring of Brodgar, Orkney, Scotland
Ring of Brodgar, Orkney, Scotland
Glengorm Standing Stones, Isle of Mull, Scotland
Machrie Moor Stone Circle, Scotland
Dyffryn Ardudwy, Wales
Penmaenmawr, Wales
Bryn Celli Ddu, Wales
Pentre Ifan, Wales
Stonehenge, England
Bruchhauser Steine, Olsberg, Germany