The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

Pittsburgh's literal underground railroad.

One of the oldest of its kind.

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

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

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

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

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

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

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

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

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

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

A historic covered bridge is but one example of an oddly prevalent American urban legend.

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

The ruined remains of a coal mining ghost town are hidden within the woods.

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

This park contains a number of standing stones meant to heal and inspire.

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

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

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