Looming communist pillar with a Czech twist.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

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

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

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

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

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

Macabre astrological automaton clock dating to the late 1400s.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Meet the bronze beloved pet to a family of famous peeing statues.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

The Devil’s own choice when he needs a drink in Brussels.

Climb inside an iron crystal magnified 165 billion times its normal size.

Hot Doug's "Hot Dog" Stand.

The palatial McDonald's that inspired Wesley Willis.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

Huge abstract sculptures of the Puerto Rican Flag.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

This awkward aquarium sculpture is one of the strangest statues in Chicago.

To find the "unicorns of the deep" you've got to go downstairs.