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

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

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

The hallucinogenic center of the ancient world.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

Outsider art meets paleontology at this roadside reptile repository.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

Magical-looking cottages that inspired one of the most famous animated films ever.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This cemetery features modernist statues as strange as its name.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Stalactites and stalagmites in a beautifully lit cave.