Kevin Murray
Photo Date: 
09/08/2016
Old Faithful shoots water upwards of 180 feet high!
Denis LeBlanc
Photo Date: 
06/19/2017
Castle Geyser erupting.
Denis LeBlanc
Photo Date: 
06/19/2017
Morning Glory Pool in Upper Geyser Basin.
Kevin Murray
Photo Date: 
09/08/2016
Beehive and Lion Geyser in Yellowstone National Park.
Denis LeBlanc
Photo Date: 
06/19/2017
Upper Geyser Basin.
Denis LeBlanc
Photo Date: 
06/21/2017
Celestine Pool in Lower Geyser Basin.
Denis LeBlanc
Photo Date: 
06/21/2017
Lower Geyser Basin.
Denis LeBlanc
Photo Date: 
09/14/2017
Cliff Geyser in Black Sand Basin.
Denis LeBlanc
Photo Date: 
09/14/2017
Emerald Pool in Black Sand Basin.
Kevin Murray
Photo Date: 
09/08/2016
Steaming spring water entering the Firehole River.
Kevin Murray
Photo Date: 
09/08/2016
Microbial mats surrounding Grand Prismatic Spring.
Denis LeBlanc
Photo Date: 
06/21/2017
Grand Prismatic Spring, Yellowstone National Park.
Stephanie Keene
Photo Date: 
07/28/2017
View the full spectrum of colors in Grand Prismatic Spring.
Denis LeBlanc
Photo Date: 
06/21/2017
The bright colors of the hot streams are caused by heat-loving bacteria and algae.
Denis LeBlanc
Photo Date: 
06/21/2017
Sapphire Pool in Biscuit Basin.
Denis LeBlanc
Photo Date: 
06/21/2017
Biscuit Basin.
Robyn Anderson
Photo Date: 
04/02/2016
Mammoth Hot Springs.
Robyn Anderson
Photo Date: 
04/02/2016
Steam rising from Mammoth Hot Springs in Yellowstone National Park.
Robyn Anderson
Photo Date: 
04/02/2016
Travertine terraces in the Mammoth Hot Springs complex.