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

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.

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

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

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

This crack in France's seaside cliffs once hid a sinister secret.

Wall after wall of this French seaside neighborhood is intricately decorated with seashells and corals.

Fighting the British and making game shows for over 150 years.

Supposed home of the camel ridden by Napoleon during his Egyptian campaign.

A Gothic cathedral created from volcanic rocks.

A once drab public housing estate is transformed into a colorful gallery of trompe l’oeil murals.

The remains of this ornate chapel now act as a portal to a cramped French cemetery.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

The famous winding walk at Chartres is surrounded in mystery and myth.

A fortified palace in the shape of a ship on the Thiou river.

France's high-tech, future-themed amusement park.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

Limestone grottoes turns everyday objects into stone.

A beautiful and classically designed villa, with an hourly infestation of monsters.