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.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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

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

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

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

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

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

Spend the night in this formerly abandoned traditional Scottish village.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

Amsterdam's former hotspot for public executions and dissections.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

The world's only museum devoted to the wonders of fluorescence.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

A fortified city, home to a remaining population of five families

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.