YellowstoneNPS:
Lower Falls of the Yellowstone River
YellowstoneNPS:
Tower Fall
YellowstoneNPS:
Upper Geyser Basin from Old Faithful
YellowstoneNPS:
Camp between Yellowstone Lake and East Fork.
YellowstoneNPS:
Grand Canyon of the Yellowstone
YellowstoneNPS:
William Henry Jackson on Mt. Washburn