Our own Joshua Mark has just published an article about the mysterious Clava Cairns structures in Scotland. Please read his article at The Celtic Guide Magazine. Here's an brief excerpt:
"Over 4,000 years ago our ancestors raised huge megaliths and positioned them in the earth with care. Sites such as The Ring of Brodgar in Stenness, Orkney, or the famous Stonehenge in Wiltshire, England, mystify and enchant visitors from around the world today. There are many other more modest sites, however, which reward a visitors time and effort just as much as these more famous places and, perhaps, more so. Five miles east of the city of Inverness, Scotland, just down from Culloden Moor, rests one such site: the Balnuaran of Clava - popularly known as Clava Cairns...."