This old abandoned sign flickers to announce a motel that isn't even there.

Despite a recent paint job, the factory still sits empty.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Miniature art that tells an enormous story.

A rare wayfinding portmanteau of “Street” and “Avenue.”

This collection of neon icons is preserving Arizona's history, one sign at a time.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

A self-built castle made by a mysterious man.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Portland had a unique approach to Cold War-era protections.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

When ecosystems collide in the arid Southwest.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The largest island on the great salt lake is home to curious creatures and strange stories.

Come for the speed, leave in love with the desert.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A series of labyrinths in the Nevada desert inspire meditation and calmness.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

A tribute to long time Venice Beach resident, artist and actor Dennis Hopper.