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

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

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

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

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

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

Pennsylvania's own Roswell-style UFO mystery.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

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

Pennsylvanian mass grave and possibly mass murder.

This Old Testament garden features 100 plants from biblical times.

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

A beautiful oddities shop crammed with strange and morbid curiosities.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A failed piece of Orientalism has become the proud symbol of a community.

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

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

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

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

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This might just be the TARDIS of bookstores.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.