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

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

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

A surreal statue honoring Prague's favorite literary son.

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.

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

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The attic of a four-century-old canal house hides a clandestine church.

Mysterious rocks that ring musically when struck.

This baseball diamond was home to the Rockford Peaches, a team featured in the hit film "A League of Their Own."

Eighteenth-century home, where Herschel discovered the planet Uranus.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

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

A mysterious suspended hand greets unsuspecting visitors at the Tower of London.