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

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

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

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

Wander around the extensive remains of this 12th-century medieval church.

A remarkable feat of Victorian engineering across the Firth of Forth.

As part of an 800-year-old tradition, a man parades through town covered in a suit made out of spiky burrs.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

Visible at low tide, this rusting vessel is one of the last surviving examples of the X-Class "Midget" submarines.

Journey through one of the oldest industrial sites in Scotland.

A historic fortification critical to Anglo-Scottish conflicts now serves as a bed and breakfast.

The ruins of the second of three churches dedicated to the saint in a touristic Scottish town.

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

At high tide this strange footbridge appears to have no purpose whatsoever.

These ruins of a medieval church are full of architectural mysteries.

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

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

A rocky outcrop where monks hid their most holy relic while escaping Danish invaders.

The medieval-looking hammer beam teak roof may be a Victorian vanity, but it's still absolutely magnificent.

This 13th century castle is chock full of ghosts and impossibly rare cows.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This giant wooden treehouse within a sprawling garden has its own eatery.