During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

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

The stone-covered graves lie within the ruins of an Old West ghost town.

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

One of the largest private collections of cars manufactured by the short-lived Franklin Automobile Company.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

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

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

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

Take a monster truck tour around an ostrich farm in the middle of the desert.

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

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

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

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

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

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

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.