At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

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

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Once a year, at exactly 11:11 a.m., this monument comes to life.

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

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

The first permanent memorial to a unique secret weapon of World War II.

A towering bronze statue memorializes the founding father of postwar American conservatism.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

A mysterious "wedding cake" castle in the middle of the urban desert.

A museum and tribute to a brave profession.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

Stairs often replace streets on the steep slopes of this old mining town.

Could this grave be the true resting place of legendary gunfighter "Doc" Holliday? Unclear.

A self-built castle made by a mysterious man.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.