Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

A motel dedicated to Southwestern nostalgia.

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

A Saint Nicholas-themed ghost town in the Mojave desert.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

This historic national park is covered in the stunning ruins of red rock pueblos.

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Make a wish at what might be America's only Catholic shrine to a sinner.

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

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

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

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

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

A mysterious spirit totem at the edge of Navajo lands.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A self-built castle made by a mysterious man.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.