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.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

This dramatic rail curve was once the target of a failed Nazi attack.

One of the oldest of its kind.

Could it have picked a better place to land?

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

This icon of the Atomic Age now lays dormant.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

Pennsylvania's own Roswell-style UFO mystery.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

Savor the famous tempura-fried pork tenderloin sandwich at this long-standing Kansas City food counter.

You may recognize this beautiful grove within Kaitoke Regional Park as location of the house of Elrond.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

The oldest continuously inhabited street in America.

An underground wonderland in Iowa.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

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

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.