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

Steadily reminding Czechia of its past.

Local folklore claims that this wall was not built for defense, but to provide labor during a time of famine.

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

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.

This automated sculpture of two men peeing will spell out text messages with their micturition.

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

A series of playful yellow penguins share a serious message about the environment.

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

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

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

An existential riddle in the world's largest ancient castle.

A surreal statue honoring Prague's favorite literary son.

The hidden lair of an alchemist rediscovered in a 2002 flood.

This doorless 20th-century elevator doesn't stop or slow down.

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

The first museum in the world devoted to sexual gadgetry.

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

This spooky statue sits outside a famous Prague theater.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

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