A brick-paved former section of the historic coast-to-coast highway.

Collective made up of artists, musicians, and activists.

A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This sprawling bookstore spans four floors and has more than a million books in stock.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

You can cross from one country to another in a single hop on this little bridge.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

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

This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.

A hands-on traveling collection of the innovative devices of yesteryear.