Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

A sea cave with a waterfall and Viking past

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

Enter the world under the hill at this ancient UK burial chamber.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

A pagan tradition of draping trees with rags eerily lives on.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A collection of short standing stones covers this hillside.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The heads of two giant mythological water horses honor Scotland's horselord past.

Britain's only herd of free-ranging reindeer.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

These fantastically named natural pools look like something out of a Scottish myth.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.