An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

In which a local geological marvel becomes a quaint roadside attraction.

The graffitied ruins stand hidden within the Pennsylvania woods.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

The Home and murder site of the witch of Rehmeyers Hollow.

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

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

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

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

Locals call this magical moss-covered walkway the "Emerald Path."

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

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

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

A quirky collection of outsider art made from automobile parts.

Pittsburgh's literal underground railroad.