An 11:30 pm moonbow captured by Jeff Pfaller Photography.

A double rainbow at Grand Canyon National Park.
A rainbow over Havasu Falls, Arizona, by photographer Cory Mottice.
A rainbow visible from Powell Point, Grand Canyon National Park, by photographer Narest Balaguru.
A rainbow in whale spume off the coast of Monterey Bay, California, by photographer William Drumm.
A double rainbow over Yaki Point at the Grand Canyon by photographer Mike Buchheit.