Built by the patron saint of illusionists this Elizabethan manor house is riddled with secret cubbies for hiding priests.

A living museum dedicated to the legendary woodworker and his soulful furniture.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Time-frozen department store of dangerous and dusty relics.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Inside a former cabaret, seven floors of erotic art.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

These lesser-known Maltese catacombs date back over 1,700 years.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This overgrown mountain village has been abandoned for nearly a century.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

No one is quite sure of the origins of these idyllic natural hot springs at an abandoned mountain resort.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

The ornate miniature mansions were built for Istanbul's feathered residents.