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

A toxic ghost town sitting atop a massive coal fire.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

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

Penn State's giant bug collection.

An abandoned stretch of highway, deteriorating next to the operational one.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

This public space is speckled with the eerie remnants of a defunct amusement park.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

Pennsylvania's own Roswell-style UFO mystery.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

This little museum in the town where zombies were born celebrates the living dead.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

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

A beautiful oddities shop crammed with strange and morbid curiosities.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

This icon of the Atomic Age now lays dormant.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.