Memorializing an American tragedy of massive proportions.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

A diorama of the Civil War, fought by cats.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

Penn State's giant bug collection.

"Where the ducks walk on fish."

A retrofuturistic art installation in the Pittsburgh Airport.

A legendary boxing venue and ring featured in Rocky V.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

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

A miniature golf course crafted inside the world's largest simulated cave.

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

A museum of anything and everything Stooge.

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

This giant disembodied horse head seems to balance impossibly on its nose.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

Pittsburgh's literal underground railroad.

Nothing says indulgence like a 1,500-pound chocolate castle.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Hundreds of protractors affixed to surfaces all over the city.