I was dog tired after a long week at that ranch, so I took a 45 minute cat nap at Mammoth Hot Springs in Yellowstone just as it started to rain. I woke up as the storm had passed and a rainbow came out in the distance. So I quickly put together my capsula camera set and shot this!

You can see the sun clearly shining down in the foreground on the travertine and the bright orange of the bacteria floating in the steaming expulsions.