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Morning Glory pool at Yellowstone National Park, Wyoming, USA.
Vivid colors of the Black Pool in the Yellowstone National Park, Wyoming
Closeup of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Grand Prismatic Spring in Yellowstone National Park
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
Image of Steam covers iconic Grand Prismatic Spring in Yellowstone winter
Jewel Geyser at Biscuit Basin on Upper Geyser Basin in Yellowstone National Park, Wyoming
The aquamarine colors of this Yellowstone hot spring are reflections of bacteria that thrive in the hottest waters of the park.
Boiling Hot Springs with Steam in Yellowstone National Park Background Landscape Nature Water
Norris Geyser Basin in Yellowstone National Park which is the hotest geyser basin in the park.  Porcelain Basin with hot springs, thermal algae; steam and various colors. Bacterial thermophiles.
West Thumb Geyser Basin in Yellowstone National Park in Wyoming, USA: The Majestic Hot Springs formed by a large volcanic explosion 150,000 years ago
Norris Geyser Basin, Yellowstone National Park.
Colorful pattern of the Black Pool, Yellowstone National Park
Grand Prismatic Spring in Yellowstone National Park
Image of Macro of Yellowstone spring with colorful alkaline waters
Avoca Spring is a notable geothermal feature located in Biscuit Basin. It measures about 15 feet (4.5 meters) in diameter and reaches a depth of approximately 10 feet (3 meters). It's known for its vivid blue water and the surrounding mineral deposits that showcase a range of colors due to microbial life and mineral accumulation.
Detail of one of the hot springs that are located at Yellowstone National Park.
Old Faithful Yellowstone National Park, Wyoming, USA.
Old Faithful Geyser Eruption, Wonderful natural landscape. Yellowstone National Park is famous for its rich wildlife species and geothermal resources.
Close-up of the earth surface, Waimangu Volcanic Valley, Rotorua, North Island, New Zealand, Oceania.\nClose-up of the earth surface in Waimangu Volcanic Valley.
Closeup of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Abstract form Microbial mat of Grand Prismatic Spring in Yellowstone National Park, Midway Geyser Basin, Teton County, Wyoming, USA, UNESCO World Heritage Site - Scenic Landscapes of Geothermal activity
freedom girl walking at Yellowstone State Park
Biscuit Basin is a geothermal area named for the biscuit-like silica formations that once surrounded its most famous feature, Sapphire Pool. After an eruption in 1959, many of the biscuit formations at Sapphire Pool were destroyed. It's a relatively small geothermal area compared to others in the park. The entire basin can be explored via a boardwalk loop that is approximately 0.7 miles (1.1km) long.
Image of Detail of colorful Yellowstone pools of acidic sulfur
Geyser in grand prismatic spring Basin in Yellowstone National Park in Wyoming
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
Special landscapes made with film camera in USA
Visitors get a close up view of one of more than 10,000 thermal features in Yellowstone. Research on heat-resistant microbes in the park’s thermal areas has led to medical, forensic, and commercial uses.
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