A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

Artist Jack Pierson made this surreal sculpture in honor of Wonder Valley, a countercultural community on edge of civilization.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

An homage to everyone's favorite prehistoric cartoon family.

Arizona's first government hub is a rustic cabin now preserved as part of a historical museum.

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

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

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

The first steel dam in the world and the only one still functional in the United States.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This golf ball–shaped former desert real estate office now houses a UFO museum.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

A memorial to the firefighters who died in an industrial disaster is housed in a small public park.

Fears of Satanic worshippers swirl around five Celtic-inspired megaliths.

A Texas museum filled with Broncos and Betties.

This Old West prison built into the side of a cliff was said to be inescapable.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

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