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

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

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

The Scottish Reformation leader's grave was paved over and is now a parking lot.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

An Iron Age hillfort rooted in Arthurian legend was made famous by musician Peter Gabriel.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Scotland's oldest purpose-built concert hall houses an incredible collection of ornate, centuries-old keyboards.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

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

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

A unique tribute to the millions of animals who served and died for the British military.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

The location of this historic castle was inspired by a donkey.

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

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

These Victorian era devil sculptures were designed to spite a local vicar.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The narrowest house in Buenos Aires is less than 10 feet wide.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.