Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Staves, storm-calling, and of course, necropants.

Two stunning 17th-century libraries and a cabinet of curiosities.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Mysterious rocks that ring musically when struck.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Eighteen miniature death-scene dioramas.

A crumbling hospital from the 1850s on Roosevelt Island.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Tucked in the back of this amazing antique store is an important piece of medical history.

The legendary building that needed ghostly approval before being built.

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

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Macabre astrological automaton clock dating to the late 1400s.

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

World's largest collection of serial killer artwork and other macabre exhibits.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.