Concrete X in Casa Grande desert used to calibrate satellite cameras during the Cold War .
The Phoenix Suns mascot,'The Gorilla', jumps through a flaming hoop in game four of round one of the NBA playoffs against the Sacramento Kings at the America West Arena in Phoenix, Arizona. (Photo: Jed Jacobsohn/Allsport)
A group at Arizona Falls in the early 1900s. (Photo: SRP)
Known for it's legendary visitors, The Palace Saloon is a destination restaurant and bar for the ages. (Photo: Gina Coy)
In its early years, ASU's Secret Garden was anything but a secret. (Photo: Gabe Trujillo/12 News)
Clay Worst, 86, and George Johnston, 96, searched for the Lost Dutchmans Gold for many years. (Photo: Ozzy Mora, 12 News)
The "Mystery Castle" is a 18-room home built in the 1930s by Boyce Gulley for his beloved daughter, Mary Lou. Valley residents and guests can tour the property. Oct. 14, 2016. (Photo: Hayden Packwood/12News)