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

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

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

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

The first American department store, and home to the largest operating musical instrument in the world.

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

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

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

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

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

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

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

A park full of outsider art, created by college students studying outsider art.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

In the early 1800s, surgery was also a show.

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

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

This might just be the TARDIS of bookstores.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.