A series of playful yellow penguins share a serious message about the environment.

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

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Two stunning 17th-century libraries and a cabinet of curiosities.

Microscopic scenes; some call it novelty, some call it art.

A crucified and bearded female saint.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Dedicated to the "father of modern education," this museum documents the history of education in Czechia.

Countless grotesque faces stare out from this eerie Prague art wall.

The oldest garden in Prague, once part of an medieval orchard.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This automated sculpture of two men peeing will spell out text messages with their micturition.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Steadily reminding Czechia of its past.

An existential riddle in the world's largest ancient castle.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A surreal statue honoring Prague's favorite literary son.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.