Started out in Bozeman, stayed a first night in Mammoth Hot Springs, stayed several days around Old Faithful, and then back to the Mammoth Hot Springs area for the Wolf Discovery tour.
Fallen Tree Behind Old Faithful Geyser Old Faithful Area, Yellowstone National Park, Wyoming
I think this is the tree I used in a night shot with a rising full moon as backlighting.
http://www.flickr.com/photos/jimpaton/3692032348/in/set-72157619336026916 - February 04, 2011 - 1/4000 sec at f / 5.6 - 66 mm - ISO 200 - 44°27'42" N 110°49'48" W