An architectural oddity hides in plain sight on this iconic London bridge.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

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

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

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

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

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.

Protecting the dead from opportunistic body snatchers.

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

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

These fantastically named natural pools look like something out of a Scottish myth.

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

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

The colorful stairs are made with marble from the world's major quarries.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The most loyal of little dogs, or a Victorian era publicity stunt?

The final resting place of soldiers' loyal canine companions.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.