Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

A surreal statue honoring Prague's favorite literary son.

Steadily reminding Czechia of its past.

This spooky statue sits outside a famous Prague theater.

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

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

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

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.

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

This artificial cave looks like something out of a fairytale.

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

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

The first museum in the world devoted to sexual gadgetry.

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

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

2300-year-old Roman road connecting the empire.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

It's believed that this small church was connected to the Hagia Sophia via a secret tunnel.

The most metal church of all time was built in record time because of an international, pious pissing contest.

This serene bamboo walkway allows Buddhist monks from remote temples access to the nearby village.

Bizarre dirt trail winds a narrow path above the tree line.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.