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

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A towering monument to war, located on a beautifully peaceful hill.

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.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

This medieval city gate is now a blend of the past and the modern world.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A multiversal transit station located right below a highway interchange.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

A chance to follow in the footsteps of the word's most legendary animator.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Illegal drag racing two stories beneath Chicago’s streets.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Monsters and miniatures are held in equal esteem at this wondrous museum.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Hundreds of hidden passageways weave through the old quarters of Lyon.