This one-room cabin where the young colonel slept during the French and Indian War.

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

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

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

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

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

After covering almost 1.5 billion acres, the survey's still not finished.

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

Could it have picked a better place to land?

Francis Julius LeMoyne built this crematory in 1876; he was the third person to be cremated here.

10,500 square feet of pinball housed in former dollar store and home to the last playable "Thunderball."

True to his word, George Swanson is buried in his white 1984 Corvette.

Each step is a mere four inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

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

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

Where the "World Pinball Champion” is crowned.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

The last street in Pittsburgh that's paved with wood.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

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