The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A cemetery housing wild west legends in South Dakota.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

Pittsburgh's literal underground railroad.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

Hundreds of protractors affixed to surfaces all over the city.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

These disused steel furnaces are now haunting ruins that may one day be a national park.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

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

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

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

This collection honors the iconic, and proudly American lighter that just won't quit.

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

A local prank turned town icon.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

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

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

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

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

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

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