This colonial mansion has been home to a staggering number of American historic figures.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

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

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

Where the oil industry began.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

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

A diorama of the Civil War, fought by cats.

A giant ball made from pieces of an old Jeep.

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

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

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

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

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

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

The first of Lancaster's "rural cemeteries."

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

A field of nothing but boulders which resembles a giant's gravel driveway.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

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

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

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

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.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.