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

A rare view of a preserved Victorian science museum.

The legacy of baseball great Roberto Clemente is preserved in a retired Pittsburgh fire station.

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

The final resting place of the Hollywood star who came to a tragic end.

Where the oil industry began.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

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

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

Could it have picked a better place to land?

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

A glittering Thai Buddhist temple in suburban Pennsylvania.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

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

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

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

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

America's first serial killer rests in anonymity.