A giant interactive periodic table with real samples of the elements.

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

A Baroque mansion with ties to legendary magicians and alchemists.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

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

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

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

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

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

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

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

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

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

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

A Jenga-style cylindrical tower of books that appears to go on forever.

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

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Monument to a suicide protesting the Soviet invasion.

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

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This spooky statue sits outside a famous Prague theater.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.