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.
Steam near Madison Junction Madison Junction, Yellowstone National Park, Wyoming
I didn't really think about how much more steam there would be this time of year. - February 02, 2011 - 1/400 sec at f / 10 - 24 mm - ISO 200 - 44°38'57" N 110°50'50" W