The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

It was once the base for a series of domestic terror attacks.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

The site of America's first commercial oil well essentially disappeared after the town went bust.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

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

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

A quirky collection of outsider art made from automobile parts.

"Where the ducks walk on fish."

Where the oil industry began.

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

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

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

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

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

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

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

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.