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

Nicknamed the "Museum of Horrors," this French anatomical collection has been fascinating visitors for over a century.

A semi-scholarly approach to sex.

An encyclopedic collection of mammal penises.

Its buzzing collection honors vibrator history.

This museum promotes informed contraception by documenting its often secret past.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

This decrepit abandoned building is made all the more eerie by its dark history.

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

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This grand mansion has starred in everything from Bones to Buffy.

Occult books, tarot, oddities.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

A mega theme park-wax museum mélange containing all things biblical.

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

The resting place of 18th century German mummies.

This German "living museum" is maybe a bit too immersive.

Weird wax anatomical models reside here, as do other anatomical specimens.

A font of vintage porn on the silver screen.

The celebrated eyesore created by starry-eyed sweethearts.

A veritable variety of odds and ends.

A terrific purveyor of natural history objects and curios.