America's only nuclear missile silo open to the public.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

An off-the-beaten path cave with an underground lake.

While you're unlikely to find riches here these days, this remote mine is a time capsule of the Gold Rush era.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

The set location for a 1987 cult classic draws international film buffs to the middle of the Mojave Desert.

This large pile of traveler-curated rocks by the dry lakebed is a longstanding tradition on the Old Mojave Road.

The most isolated mailbox in America lets desert travelers record their passing.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

A spiritual vortex among the red rocks in Sedona.

For those going through a life transition, a place to leave behind a piece of your former self.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

A stealthy Apache hideaway that became the haunting site of a mass grave.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.