A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Paris' linguistic guide to the international language of, yes, love.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

France's most famous cemetery, with some of its most curious tombs.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The video game-themed street art first popped up in the French city.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Christ's blood preserved in a Belgian town.

The mirrored section takes the shape of Hebrew characters when viewed from above.

The fairy tale castle of the "fairy-tale king."

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

This magnificent church allows travelers along one of Germany's busiest roadways a chance to rest and reflect.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

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.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

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.

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

This spooky statue sits outside a famous Prague theater.