Street artists transformed an abandoned air vent into the beloved Star Wars robot.

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

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

Steadily reminding Czechia of its past.

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.

The rusted creatures wait to be discovered in Prague's botanical garden.

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

The statue of a cursed knight is said to come to life every 100 years.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

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

This spooky statue sits outside a famous Prague theater.

A historic fire call point.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

Tiny memorials honor individual victims of the Holocaust.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

A fascinating insight into daily life in the Eastern Bloc.

One of downtown Berlin's last reminders of its Communist past.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.