One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This enormous "shamoji" means more to the people of Miyajima than just a way getting rice onto a plate.

This Japanese national treasure was originally built in 593.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Up on the iconic Tsutenkaku Tower sits an American mascot that became Osaka’s own lucky god.

The quintessential Japanese rock garden has existed for more than 500 years.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A marvel of Byzantine engineering under the streets of Istanbul.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

A sliver of nostalgia in Seattle's Viretta Park.

A wall of chewing gum moonlights as collective art.

This colorful gate stands as an entrance to the walled city of Old San Juan.

This tiny home was originally a narrow alleyway.