YellowstoneNPS: Skier near Orange Spring Mound
YellowstoneNPS: Norrow Gauge Spring and steam
YellowstoneNPS: Skiers coming back from the Snow Pass Trail
YellowstoneNPS: Sunrise through the clouds from Mammoth Hot Springs
YellowstoneNPS: First tracks after fresh snow on the boardwalks at Mammoth Hot Springs
YellowstoneNPS: Pika - Ochotona princeps
YellowstoneNPS: Mammoth Hot Springs Upper Terrace at Sunrise
YellowstoneNPS: Views of Orange Spring Mound from Upper Terrace Drive
YellowstoneNPS: Mule deer, Mammoth Hot Springs
YellowstoneNPS: Bull elk bugling, Mammoth Hot Springs
YellowstoneNPS: Bull elk with harem, Mammoth Hot Springs
YellowstoneNPS: The road from the North Entrance to Mammoth Hot Springs
YellowstoneNPS: Dawn at Mammoth Hot Springs
YellowstoneNPS: View from the top of Mammoth Hot Springs
YellowstoneNPS: Mammoth Hot Springs and Gardiner, MT from Bunsen Peak Trail
YellowstoneNPS: Mammoth Hot Springs from Mount Everts (2)
YellowstoneNPS: Bighorn rams resting on Mount Everts
YellowstoneNPS: Snowy tent in Mammoth Campground
YellowstoneNPS: Snowy spring day in Mammoth Hot Springs
YellowstoneNPS: Canary Spring terraces
YellowstoneNPS: Canary Spring sunrise
YellowstoneNPS: Canary Spring sunrise portrait
YellowstoneNPS: Ranger Mike leads a hike near Mammoth Hot Springs
YellowstoneNPS: Bison grazing in front of Palette Spring
YellowstoneNPS: Hikers with bear spray on Beaver Ponds Loop Trail
YellowstoneNPS: Sunset over Palette Spring
YellowstoneNPS: Sunset over Liberty Cap
YellowstoneNPS: Canary Spring at Mammoth Hot Springs
YellowstoneNPS: Canary Spring at Mammoth Hot Springs
YellowstoneNPS: Palette Spring Sunset