This former insane asylum now holds a pathological anatomy museum.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

One man's personal kunstkammer, museum and shop.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

This unusual elevator doesn’t stop or slow down.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

Located in a veterinary school, this macabre exhibit displays the effects of animal diseases.

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

This crumbling Art Deco movie palace in Mexico City has been abandoned for two decades.

A scientific repository of goiters, boils and other ailments throughout Mexican history.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The curious underground history of keeping Paris clean.

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

A unrivaled and rather horrifying collection of wax dermatological models.

How did a French journalist’s grave become the sexiest statue in the cemetery?

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This Parisian fountain is a little bit fantasy and a little bit nightclub.