Geodesic dome luxury retreat in the Scottish Highlands.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

An American ghost town hides along a side street in Scotland's capital.

Scotland's only funicular railway is also the United Kingdom's highest.

Legend says this cave housed a 16th-century cannibal and his family of 48.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

A sweet symbol marks the place where torturous executions were once carried out.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

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

This observatory within Europe's first dark sky park offers stunning views of the night sky.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

A weird and wonderful collection of items that pique curiosity and haunt nightmares.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

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

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

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

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

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

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