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

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

A larger-than-life statue of America's favorite sundae marks the place it was invented.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

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

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

Journey through a collection of over 35,000 Halloween items from all generations.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

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

Pennsylvanian mass grave and possibly mass murder.

This elaborate towering structure was once famed for its revolutionary height.

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.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

There aren't too many operational funiculars around, but Pittsburgh has two!

This semi-spooky remnant of an abandoned hotel provides fantastic views.

Yo, Adrian!

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

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.