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

A remarkably well preserved tower dating all the way back to the Iron Age.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

The mystery of this small, brick pond eluded its possibly only investigator until his death.

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

A scattered trail of street art adds a pop of color to the city's stark structures.

This modern labyrinth lies in the shadow of a ruined medieval castle.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

Largest lake in Great Britain measured by surface area.

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

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

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

This stately estate house features a tower covered in a bright, modern mural.

This Scottish bridge seems to compel dogs to leap to their death.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

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

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A site of pagan worship which still attracts people looking for fairies.

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

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

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