Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The golden age of flight captured in a downtown airport.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

These springs were once the source of a tourism boom to Sulphur Springs.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

One of the oldest show caves in Arkansas.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

Around 50 million gallons of water flow from this spring every day.

An underground river pushes more than 200 million gallons out of this Missouri spring every day.

Soak in the soul of Kansas City at the oldest continually-operating jazz club in the country.

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

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

This vintage animatronics show is the Vegas version of a walk through the woods.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

Home to the world's largest quilt collection dating from the 1600s through today.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

This fully restored synagogue explores the American Jewish experience along the old frontier.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

Abandoned silver mine strewn with wrecked and twisted structures.

A multiversal transit station located right below a highway interchange.

The man who was president for only one day and spent most of it asleep.