According to local myth this cemetery is half evil spirits, half good—split down the middle.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

This secluded walking trail is a hidden gem of a Pittsburgh park.

It would take 35 firetrucks to fill this enormous glacial pothole.

These disused steel furnaces are now haunting ruins that may one day be a national park.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

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

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

The graffitied ruins stand hidden within the Pennsylvania woods.

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

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

This abandoned Victorian-style house was built in 1884.

This historic lighthouse was well known for the large number of women who served as its keeper.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Bizarre Cavern.

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

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

Inside the simple black-and-white exterior of Église Sainte-Cécile hides a pastel wonderland.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

An annual extravaganza of Broadway theater memorabilia.