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

A soon-to-be-forgotten roadside spectacle loaded with local lore.

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

Journey through a collection of over 35,000 Halloween items from all generations.

An Irish Memorial commemorating those who perished due to potato blight.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

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

These lush botanical gardens employ the most purrfect pest control force.

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

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

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

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

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

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

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

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

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

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

The graffitied ruins stand hidden within the Pennsylvania woods.

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