Rainbow Colors of Grand Prismatic Spring - From the tourquoise tints of clear hot water in the depths of the spring to the brilliant reds and oranges of...
Rainbow Colors of Grand Prismatic Spring
Grand Prismatic Spring Boardwalk Landscape - Visitors walk past steam rising from Excelsior Geyser crater along the Grand Prismatic Spring boardwalk
Grand Prismatic Spring Boardwalk Landscape
Hayden Valley Morning - The Yellowstone River winds through the valley
Hayden Valley Morning
Pronghorn Photo-opportunity - Many park visitors seem to have difficulty judging the recommended 75 foot separation between wildlife and people
Pronghorn Photo-opportunity
Pronghorn: Up Close - Yellowstone's Lamar Valley is reknown for up-close and personal encounters with wildlife
Pronghorn: Up Close
Grand Canyon of the Yellowstone - Made famous by Thomas Moran, these falls have inspired generations of people to care for nature
Grand Canyon of the Yellowstone
Lower Falls Rainbow - For 10-15 minutes, between 0930 and 1000 in the summer, on sunny days, a rainbow appears in the mist at the base of the lower falls...
Lower Falls Rainbow
West Thumb Yellowstone Lake - Elk like to forage among the thermal vents in West Thumb
West Thumb Yellowstone Lake