A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

Memorializing an American tragedy of massive proportions.

The first of Lancaster's "rural cemeteries."

Locals call this magical moss-covered walkway the "Emerald Path."

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

Where the oil industry began.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

This public park was the site of the largest civilian disaster of the Civil War.

Pittsburgh's literal underground railroad.

The graffitied ruins stand hidden within the Pennsylvania woods.

One of the oldest of its kind.

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

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

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

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

A local prank turned town icon.

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

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

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

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

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

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

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