Yellowstone and Grand Teton National Parks and Lake County, Montana.
  • A little geyser erupts (video).
  • You could boil an egg (video).
  • A big geyser erupts (video).
  • Blue fog over a hot pool.
  • Unmanned aircraft not welcome.
  • Eruption forecast.
  • White Dome Geyser.
  • Norris Geyser Basin entrance.
  • Norris Geyser Basin..
  • Norris Geyser Basin.
  • Brilliant algae.
  • Steaming hillside, Norris Geyser Basin.