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

An ideal wedding spot that is almost too ideal.

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

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 of its kind.

This dramatic rail curve was once the target of a failed Nazi attack.

The abandoned coal loading dock is a canvas for unsanctioned art.

This secluded walking trail is a hidden gem of a Pittsburgh park.

Steepest flood safety railway in the entire world.

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

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

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

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

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

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

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

America's first serial killer rests in anonymity.

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

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

A historic covered bridge is but one example of an oddly prevalent American urban legend.

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