This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

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

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

The narrowest street in Paris.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

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

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

If you forgot something to read during your trip to Tokyo, this hostel has you covered.

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

An enormous dragon scales the walls of this 17-story temple.

One of the biggest markets in Asia, under one of the continent's largest domes.

Notorious artist squat renovated into legal studios.

France's most famous cemetery, with some of its most curious tombs.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.