These unique rock formations were created during the Ice Age.

Its diverse collection of computers and technology spans the ages.

A rural colonial settlement that contains the remains of a store and cooper.

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

Where the "World Pinball Champion” is crowned.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

An ideal wedding spot that is almost too ideal.

One of the oldest of its kind.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

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

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

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

Current docking place of the SS United States, the fastest transatlantic ocean liner.

A local prank turned town icon.

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

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

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

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