St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

Grotto replete with mystical designs laid out in glued shell mosaics.

Amazing collection of folly buildings in Cobham, Surrey.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The world's largest collection of witchcraft regalia.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The beams of the New College, Oxford dining hall come with an amazing story.

The sign at the garden gate reads: "These Plants Can Kill."

A fake town founded by Western movie stars is now becoming a hip desert community.

A music-filled, booze-soaked oasis in the desert.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

The oldest stone house in Paris was built by its most famous alchemist.

Monsters and miniatures are held in equal esteem at this wondrous museum.

A hands-off space for graffiti artists to hone and display their skills.

This surreal art house looks like a geometric version of a small chapel.

A Japanese shrine to dolls.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

Divinely-inspired village houses 6,000 dolls, plus strange and lovely outsider art.