This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A beautifully eclectic mix of architectural styles.

A little sculpture with a large wardrobe.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

This historic Victorian hotel has a scandalous history of affairs and murder.

The first Russian Orthodox church in North America and an Alaskan landmark.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Five candy-colored villages on the Italian Riviera.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

The topiary maze at the Habsburg hunting lodge.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.