A 200-year-old prison that now houses a peculiar crime museum.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

One of the world's largest collections of pathological specimens.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The curios of pharmacist and collector Henry Wellcome.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Famously misunderstood wonder of the ancient 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.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

This artsy public restroom is shaped like a giant john.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.