The "Seinfeld" diner.

The legendary court where emerging basketball players gain their street cred.

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

A historic covered bridge is but one example of an oddly prevalent American urban legend.

A glittering Thai Buddhist temple in suburban Pennsylvania.

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

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The oldest farmer's market in America is so ancient it was approved by the King of England.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

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

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

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

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

The world-record holder for the longest bridge stretching continuously over water.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

An abandoned town is hidden in Great Smoky Mountains National Park.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

What is it about mushrooms that makes people wish they lived inside of them?

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.