Pennsylvania's own Roswell-style UFO mystery.

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

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 souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

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

It would take 35 firetrucks to fill this enormous glacial pothole.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

Where America's first doomsday cult awaited the end of the world.