Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

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

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

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

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

This mundane post marks the old location of the city's main postal hub.

A roadway designed for a visiting monarch.

A magician and his beloved, pampered canine were buried together, within days of each other, due to a tragic twist of fate.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

This enchanting hill is home to fairy lore and a sinister local mystery.

A curious collection of mechanical moving figures.

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

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

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

Britain's only herd of free-ranging reindeer.

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.

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

Mile-long cave system near Great Smoky Mountains.

Visit this playground of waterfalls, caves and sinkholes.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Home of an evil witch famous within southern folklore.

Enormous lake at the bottom of a unique cave system.