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

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This spooky statue sits outside a famous Prague theater.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

Where the lovelorn find a home for their sentimental keepsakes.

This 135-year-old weather station studied the effects of the climate on human health.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Gargoyle head that brings good luck.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The metal leaves on this tree are engraved with the names of Holocaust victims.

Artists have long been drawn to these atmospheric 12th-century ruins.

One of three sites in England that house the National Collection of Arms and Armour.

The bizarre headgear looks like it was made for a fool, not a king.

A comfortable-looking armchair and a grandfather clock have been sitting on this sidewalk for the last 30 years.

A lavish Victorian mansion wound up inheriting a gruesome reputation that would be its demise.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

This quaint funicular has been ferrying people up and down an English valley since the Victorian era.

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

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

Macabre astrological automaton clock dating to the late 1400s.

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

Street artists transformed an abandoned air vent into the beloved Star Wars robot.