Winter on the Lamar RiverThe Lone Bald EagleBison along the Firehole RiverWinter Geyser TwilightCrested PoolLast Light on the Firehole RiverLooking for WarmthSawmill Geyser EruptionA Thermal StreamBison Three WaysOld FaithfulHeart GeyserWinter's SunsetBison in Winter