The nuns here cultivate silk to weave some of the finest scarves in the world.

A peculiar trapezoidal building covered with wonderful humorous reliefs.

This cheeky statue of a man defecating gold coins graces the facade of a medieval guildhall.

This strange sculpture is an enigmatic icon of this medieval German town.

This enchanting mountain plateau celebrates spooky local folklore.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

A strange rock formation with numerous legends trying to explain it.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

The first, and perhaps only, monument dedicated to Wikipedia.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

An abstract and eyecatching clock/fountain is the centerpiece of this little-known German city.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

This watchtower once presided over the Berlin Wall.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

The walls and streets of the ancient city are peppered with penises.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

A brush maker used his factory to protect blind Jews from the Gestapo.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

One of the most photographed locations in the entire city.

Dedicated to the god Dionysus, this theatre was used for both musical and theatrical performances.