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Morning Glory pool at Yellowstone National Park, Wyoming, USA.
Image of Majestic Grand Prismatic Springs in Yellowstone winter with steamy sulfur clouds
Grand Prismatic Spring in Yellowstone National Park
Grand Prismatic Spring closeup in Yellowstone National Park, Wyoming. The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States.
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
Deatiled photo of Grand Prismatic Spring from above. Yellowstone National Park, Wyoming, USA
Stunning natural phenomenon
Grand Prismatic Springs in Yellowstone
Nighttime at Yellowstone Grand Prismatic Spring with stormy clouds in the background
Jewel Geyser at Biscuit Basin on Upper Geyser Basin in Yellowstone National Park, Wyoming
Closeup of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Image of Steam covers iconic Grand Prismatic Spring in Yellowstone winter
Located in Yellowstone National Park, Wyoming, the largest hot spring in the United States and third larges in the world.  The amazing colors are actually the heat loving microbes in the pools.
Thermal pool in the Midway Geyser Basin at Yellowstone National Park in Wyoming.
Grand Prismatic Spring and Excelsior Geyser, Yellowstone National Park, Wyoming, USA
Norris Geyser Basin, Yellowstone National Park.
Geyser in grand prismatic spring Basin in Yellowstone National Park in Wyoming
Thermophilic Microbial Mat at Norris Geyser Basin in Yellowstone National Park, Wyoming. These olive-green mats are the result of cyanobacteria mixed with iron.
A geyser in Wyoming Yellowstone national park
View of Grand Prismatic Spring at Yellowstone’s Midway Geyser Basin from boardwalk.
Image of Macro of Yellowstone spring with colorful alkaline waters
freedom girl walking at Yellowstone State Park
Hot springs in the Midway Geyser Basin at Yellowstone National Park.
A portion of the Grand Prismatic Spring in Yellowstone National Park in Wyoming in the United States of America (USA).
Detail of Grand Prismatic Spring with Steam in Yellowstone National Park on Rainy Day with People on the Boardwalk
View of volcano hot spring with minerals in Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA.
Close up Chromatic spring lake, Yellowstone National Park
The orange bacterial mats at Upper Geyser Basin in Yellowstone National Park are created by thermophilic cyanobacteria, which thrive in the hot, mineral-rich waters flowing from geysers and hot springs. The vibrant orange color comes from pigments these bacteria produce to photosynthesize in extreme heat, typically between 104°F and 167°F. As the water cools, different species create a gradient of colors, showcasing the adaptability of these extremophiles in Yellowstone's harsh geothermal environment.
Grand Prismatic Spring in Yellowstone National Park
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
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