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

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

Macabre astrological automaton clock dating to the late 1400s.

This spooky statue sits outside a famous Prague theater.

A surreal statue honoring Prague's favorite literary son.

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

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

A mocking tribute to the past and modern leadership of Prague.

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

A plaque on the base of this statue holds a bewitching design.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

Two stone columns flank the grand Venice square, but there were supposed to be three.

This curious, round temple is the oldest still-standing marble building in Rome.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This mountain trail inspired Nietzsche to complete his magnum opus.

This demon atop the Notre-Dame de Paris looks utterly bored.

Famously misunderstood wonder of the ancient world

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.