The footprint of a frustrated devil in Munich's Cathedral.

A fearsome dragon clings to a corner of Munich's city hall.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A mocking tribute to the past and modern leadership of Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Less a museum than a bizarre fantasy world created by artists and engineers.

Six times a day a train runs right through the middle of this Thai street market, sending vendors scrambling.

The seamy, underground secrets of Portland's criminal past.

The magic's in the hole!

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

The highest bridge in America was built for an almost unnervingly small amount of money.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

This massive home was constructed by one of the greatest conservationists in Colorado history.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

This giant spider sculpture made from the iconic car is one giant visual pun.

The statue honors a beloved bird that once roamed St. George's Market.