A house carved into a rock in the 1940s.

The Natural History Museum that time forgot.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

In the early 1800s, surgery was also a show.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

The world’s first penitentiary, meant to be humane, drove men insane.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

Impossibly life-like natural history models created out of glass by a father and son.

The world's brightest bioluminescent bay.

An 80-year-old house built out of newspapers.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

A Serbian church lit by chandeliers made of weapons.

Natural history museum displaying a famous taxidermied St. Bernard.

The topiary maze at the Habsburg hunting lodge.

An encyclopedic collection of mammal penises.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

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

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Dental instruments from the illustrious history of American dentistry.