Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

The footprint of a frustrated devil in Munich's Cathedral.

Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A fearsome dragon clings to a corner of Munich's city hall.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

An oddity of a bygone era that stills functions today.

This third-generation institution is one of the last in London that still cures its own salt beef for epic sandwiches.

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."

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

A Jenga-style cylindrical tower of books that appears to go on forever.

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

The statue of a cursed knight is said to come to life every 100 years.

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

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

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

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

Macabre astrological automaton clock dating to the late 1400s.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.