You have to know where to look in this rather ordinary-looking square to find hints of its past as a dissidents' cemetery.

The narrowest house in Buenos Aires is less than 10 feet wide.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A tower devoted to — and modeled after — the Divine Comedy.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Bright, rebellious indigenous murals dating back to the Spanish Conquest inexplicably cover the walls of this Catholic church.

The heart of Pachuca's small museum district pays tribute to a unique figure of Hidalguense history.

The English graveyard of Mineral del Monte, a magical little piece of Cornwall in Mexico.

What better place to learn about the beautiful game than an actual soccer ball-shaped building?

The realistic reptiles lurk along the side of a highway.

This park's art collection includes a clock made of flowers, siblings in a tree's roots, and a dove made out of weapons.

One of the world's largest murals covers a large swath of homes in its hillside neighborhood.

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

The celebrated eyesore created by starry-eyed sweethearts.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

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

The video game-themed street art first popped up in the French city.

This bridge was constructed from the rubble of the infamous Bastille.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Site of a classic 19th-century physics experiment to prove the earth is rotating.