The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

These fantastically named natural pools look like something out of a Scottish myth.

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

A snapshot of the city's fascinating voodoo culture.

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

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

On Japan's Tashirojima Island, cats are king.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A terrific purveyor of natural history objects and curios.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

A seasonal movie monster museum featuring wax creations by a relative of one of the original Universal Studios monsters.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

The intriguing personal collection of a professional demon-chaser.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

A Civil War Museum with some notable medical antiques.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

An eerie, decaying ghost town destined to fade into the forest.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

A local farm's collection of unusual structures from a now defunct storybook amusement park.