A landmark in the history of technology and computing is hidden in a tiny Baroque chapel.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

A fake medieval village in the middle of Turin.

The astonishing collection of an infamous criminologist.

Journey through a collection of over 35,000 Halloween items from all generations.

This jail which was in service for over a century is now open for curious visitors.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

The oldest surviving botanic garden in the United States.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

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

A beautiful oddities shop crammed with strange and morbid curiosities.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

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

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

Inside this discotheque resides a unique memorial dedicated to one club-goers favorite pet.

This old wooden funicular railway leads to a cemetery in the forest.

Professional and amateur dioramas, taxidermy, and oddities all located in an attic above a gallery.