The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

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

A geological mystery on Camelback Mountain.

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

A former department store turned into a quirky restaurant.

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

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

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.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.