Skara Brae is a stone Neolithic settlement on the island of Mainland in the Orkneys. It was inhabited from roughly 3150 to 2500 B.C. It is the most intact Neolithic settlement in Europe, gaining it UNESCO World Heritage Site status and the nickname of “Scottish Pompeii”.
I am ashamed to say that as a major conspiracy theorist (oh, yeah... the CIA is totally bugging everything I own!), I must have driven right by Rosslyn on my way to Edinburgh, but at the time, I didn't know about it! Major bummer. Someday I'll go again, I hope!
Drombeg Stone Circle. County Cork, Ireland. labyrinth was built about 3200 BC, during the Neolithic period, which makes it older than Stonehenge and the Egyptian pyramids. Newgrange is a large circular mound with a stone passageway and chambers inside.