Spent a few minutes at Saguaro National Monument West this afternoon. The Red Hills Visitor center has a magnificent set of arched ceiling beams on the back porch that - at certain times of the year and certain times of the day - present some amazing shadows.
The mountain upon which Kitt Peak National Observatory resides - seen in Infrared light.
The reflection of the porch in the giftshop windows.
If you take the image below . . .
and perform a little transformation trick called "Magic Circle" . . .
You get this . . .