A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

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

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

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.

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

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

An outlandish shoe shaped house built by an eccentric millionaire.

Pennsylvanian mass grave and possibly mass murder.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

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

America's first serial killer rests in anonymity.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

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

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

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

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

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

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

In the early 1800s, surgery was also a show.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

The graffitied ruins stand hidden within the Pennsylvania woods.

This Old Testament garden features 100 plants from biblical times.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.