2-640-650 - © CM Dixon/Heritage Images

Megalithic Circle and Dolmen, c3rd millennium BC, Stenness, Orkney, Scotland, 20th century. The Standing Stones of Stenness are a neolithic monument five miles northeast of Stromness on the mainland of Orkney. Maybe the oldest henge site in the British Isles associated with traditions and rituals, the Dolmen is a19th century reconstruction.