This unique building in the main square stands out among the city's typically Baroque architecture.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

The world's largest reflecting pool is just two centimeters deep.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

This demon atop the Notre-Dame de Paris looks utterly bored.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

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."

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

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

Tiny communists hammer away on the Olomouc Astronomical Clock.

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

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

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

Macabre astrological automaton clock dating to the late 1400s.

A once-fairy tale mansion now stands in a state of disrepair.

Too much gossip or just missing curfew could land you in here for a couple of days.