Emigrant Peak, from Fridley's Ranch, Yellowstone National Park.
Old Faithful Geyser during Eruption, Yellowstone National Park.
Old Faithful Geyser during Eruption, Yellowstone National Park.
Old Faithful Geyser during Eruption, Yellowstone National Park.
Old Faithful Geyser during Eruption, Yellowstone National Park.
Lone Star Geyser during Eruption, Yellowstone National Park.
The Rapids above the Upper Falls, Yellowstone National Park.
The Natural Bridge, Yellowstone National Park.
Crystal Falls, Yellowstone National Park.
Upper Falls of the Yellostone, Yellowstone National Park.
Tower Falls from above, Yellowstone National Park.
Falls of the Gibbon, Yellowstone National Park.
Paint Pot, Lower Geyser Basin, Yellowstone National Park.
Formation near Mammoth Springs, Yellowstone National Park.
Summit of the Hot Springs, Yellowstone National Park.
McCartney's Cave, near Mammoth Springs, Yellowstone National Park.
Formation at Mammoth Hot Springs, Yellowstone National Park.
Gardner Canyon and Valley, Yellowstone National Park.
Grand Canyon of the Yellowstone, Yellowstone National Park.
Grand Canyon of the Yellowstone, Yellowstone National Park.
Grand Canyon of the Yellowstone, Yellowstone National Park.
Grand Canyon of the Yellowstone, Yellowstone National Park.
Grand Canyon of the Yellowstone, Yellowstone National Park.
Grand Canyon of the Yellowstone, Yellowstone National Park.
Great Falls of the Yellowstone, 360 feet, Yellowstone National Park.
Great Falls of the Yellowstone, 360 feet, Yellowstone National Park.
Sulphur Mountain and Valley, Yellowstone National Park.
Specimen Lake, Upper Basin.