The very center of Paris is surrounded by a bevy of strange good luck rituals.

Paris' linguistic guide to the international language of, yes, love.

Notorious artist squat renovated into legal studios.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

This whimsical fountain pays tribute to Toronto's four-legged friends.

The tiniest tiki room in San Diego.

This magical-looking island is notorious for the misfortunes suffered by its owners.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

New York City's smallest piece of private property.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

Budapest's Communist-era statues, banished to the suburbs.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.