Home to three historic ships from the age of Vikings.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

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

Copenhagen's celebrated theme park and gardens.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A meditative space out of a fantasy story.

A bizarre house filled with an astounding array of collections.

A winding path built in secret on the edge of the continent.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

World's first "penitentiary," meant to be humane, drove men insane.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

The legendary building that needed ghostly approval before being built.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

New York's oldest magic store.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.