a geyser in the rocky mountains

alpinescenery aspen autumn backpacking blue boiling colorado colorful cowboy elk exum fog fountain fountains geyser geysers glaciers great greatfountaingeyser grizzlybear haze hiking holiday hot hotsprings inrterstate lake landscape liquid moose mountains mountainscenery nationalparks nature oldfaithful orange park rockies rockymountains snowcappedpeaks summer sunrise sunset sunsets sunsetsky travel west wyoming yellowstone yellowstonenationalpark