A small but immensely extravagant palace built by the "Night King."

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

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

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.

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.

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

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.

This spooky statue sits outside a famous Prague theater.