I shot these pictures as a storm was developing near Devils Tower in Wyoming. I had to rush to get into a position where the storm clouds and the sunset converged, and made it just in the nick of time:
This is what you see when you approach the National Monument from the south:
Canon EOS 7D
Top: ISO 200, f/11, 1/125 sec, 21mm
Bottom: ISO 200, f/11, 1/80 sec, 90mm
Snapshots For Sore Eyes 