The Guinness Record holder for largest hedge in the world is a verdant Scottish bulwark.

A sea cave with a waterfall and Viking past

From here, the loch appears to take the shape of mainland Scotland.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

This single-track road rewards brave drivers with stunning Scottish scenery.

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

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

A 18th century graveyard and its astonishing cortege of macabre iconography.

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

This modest marker near Notre Dame identifies the very center of Paris.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

Britain's only herd of free-ranging reindeer.

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

This abandoned oil depot produces world's longest echo in a manmade structure.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

A close look reveals that the Scottish monument is just slightly off-kilter.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This historic Victorian hotel has a scandalous history of affairs and murder.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

The world's first electric battery-powered submarine.