A glacial pothole was once a hideout for a notorious Scottish outlaw.

A curious collection of mechanical moving figures.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

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

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

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

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

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

This Scottish burial tomb once held hundreds of ancient eagle bones.

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

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

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 astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

Long-secret natural history museum, featuring the skull of a "Terror Bird."

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

A subterranean playground in an abandoned slate mine.