The fifth-longest natural arch in the world, and the longest outside China.

A half-acre utopia in the New Mexico desert features a graveyard, a game of horseshoes, a library, and a mailbox.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

"I did this all while you were watching TV."

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A cave's rare beauty held a cavernous secret hidden underground.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

A museum dedicated to the alleged Roswell Incident.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.