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.

This collection honors the iconic, and proudly American lighter that just won't quit.

The first American axe throwing club.

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

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

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

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

This jail which was in service for over a century is now open for curious visitors.

America's first serial killer rests in anonymity.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

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

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

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

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

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

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

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

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

The oldest farmer's market in America is so ancient it was approved by the King of England.

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.

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

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

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.