Scotland's Orkney Islands are so dense with human artifacts that they've been called "the Egypt of the North." At the site of a colossal complex that predates Stonehenge, archaeologists have discovered Neolithic art, pottery, and several carved stones that are extremely rare. Read more about the finds online in National Geographic magazine: ngm.nationalgeographic.com/2014/08/neolithic-orkney/smith-text VIDEOGRAPHY: Jim Richardson and Jim Turner EDITOR: Hans Weise