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

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

A grumpy old water goblin guarding an old mill on the Devil’s Stream in Prague.

Dedicated to the works of the legendary special effects artist.

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

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

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

A surreal statue honoring Prague's favorite literary son.

Macabre astrological automaton clock dating to the late 1400s.

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

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

Spitfire airplanes with butterfly wings hover over Prague’s skyline.

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

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

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

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Designed as a reminder of one of the darkest moments in Austrian history.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

Baroque celebration of the end of the Great Plague of Vienna.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.