Yellowstone and Grand Teton National Parks and Lake County, Montana.
  • Yellowstone River Lower Falls.
  • Yellowstone River Lower Falls.
  • Yellowstone River Lower Falls (video).
  • Yellowstone River Lower Falls.
  • Yellowstone Canyon.
  • Lower Yellowstone Falls (video)
  • A ranger talk on Yellowstone geology.
  • Joanne and Ham on the South Rim Trail.
  • Yellowstone Canyon.
  • Yellowstone Canyon.
  • Yellowstone Canyon.
  • Yellowstone Canyon.