Hey look! Clouds!
I’ve been to Monument Valley a few times, but the sky was usually cloudless (I guess only a photographer would complain about a pure blue sky). The clouds were dull and thick when I arrived, but the wind was super strong. After waiting around and checking to see if they had rooms available (they didn't, and at $200 + fees a night, no thanks!!!), I can see a break in the clouds to the west. I decided to stick around and wait for sunset.
Boy, what a sunset. The clouds broke, and the wind sent them flying. The last light of the day gave the sky a pastel pink hue. I used a 2 stop graduated ND filter to balance the exposure, and thus bring out the colors in the clouds. What a beauty!
5D Mark II
17-40mm f/4 @ 17mm
2 stop hard edge Graduated ND