 Steam pours from Grand Prismatic Spring and Excelsior Geyser in the Midway Geyser Basin |
 Steam from Excelsior Geyser reflected in a pool of water in the Midway Geyser Basin |
 Grand Prismatic Spring in the Midway Geyser Basin |
 The sun blocked by steam from the Excelsior Geyser in the Midway Geyser Basin |
 Clepsydra and Fountain Geysers erupt almost constantly in the Fountain Paint Pot Area |
 Fountain Geyser erupts along the Fountain Paint Pot Trail |
 Clepsydra Geyser erupting in the Fountain Paint Pot Area |
 Mud bubbles along the Fountain Paint Pot Trail |
 Fountain Geyser erupting in the Fountain Paint Pot Area |
 Clepsydra Geyser erupts along the Fountain Paint Pot Trail |
 Firehole Spring along the Firehole Lake Drive |
 White Dome Geyser erupts along the Firehole Lake Drive |
 White Dome Geyser erupting along the Firehole Lake Drive |
 Close-up of the mouth of the White Dome Geyser as it erupts along the Firehole Lake Drive |
 Great Fountain Geyser has a minor eruption along the Firehole Lake Drive |
 Emerald Spring in the Norris Geyser Basin |
 Steamboat Geyser has a minor eruption in the Norris Geyser Basin |
 Echinus Geyser in the Norris Geyser Basin |
 Grasses grow in a pool of spring water in the Norris Geyser Basin |
 Fearless Geyser in the Norris Geyser Basin |
 A mud bubble bursts in the Artists Paintpots area |
 Mud bubble burst frozen by the camera in the Artists Paintpots area |
 Perfect design as only nature can do in the Artists Paintpots area |
 Remnants of a mud bubble burst is expelled in the Artists Paintpots area |
 Shell Spring in the Biscuit Basin |