- A: History
- B: The Sonoran Desert
- C: Saguaro with a Rat’s Staircaseircase
- D: Granite Boulders
- E: Historical Dam
- F: Quartz Vein
- G: Lichen
- H: Desert Varnish
- I: Bright Cobblestone Lichen (Acarospora socialis)
- J: Saguaro Skeleton
In order by Garden Map Location
Videos on Geology and the Sonoran Desert 101