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The numerous boiling mud springs characterize some areas of Yellowstone Park and testify to the volcanic character of the area.
Zulfugarli, Istisu springs, Kalbajar rayon, Azerbaijan: Istisu hot springs, 'isti su' is Azerbaijani for hot water, so a common toponymic, located between the Turthun river and the forest.
Close up on a hole on Chaka salt lake, Qinghai, China, background image with copy space
Sulphur Springs, said to be the \
Active mudpot with rising steam on Baranovsky volcano on Iturup, Kuril islands
Pool with boiling geothermal water at Hveravellir.
Figure 8 pools, Australia
Salt Pan in Yanzhou Island of China's Guangdong Province
Mouth of spring in Saratoga Spa State Park, Saratoga Springs, New York, USA
Special landscapes made with film camera in USA
A colourful and high contrast shot of a geothermal pool in Taupo in the north island of New Zealand.
An eye carved into stone by the ocean tides
View of Dragons Mouth Spring in Yellowstone National Park, Wyoming, USA.
The Great Plains meet the Rocky Mountains in Wyoming. The state is a great plateau broken by a number of important mountain ranges. In the northwest are the Absaroka, the Owl Creek, Wyoming, Gros Ventre, Wind River and the Teton ranges. In the north central are the Big Horns; in the northeast, the Black Hills; and in the southern portion of Wyoming, the Laramie, Medicine Bow and Sierra Madre ranges.
Hole in the ground with hot boiling water filled with minerals such as sulfur alongside the lake Furnas on the Portuguese Azorean Island San Miguel in the center of the North Atlantic Ocean
Close-up of the pot of gold inside Yellowstone
Waterfall rocks in Costa Rica
Iceland waterfall
Boiling mudpots and fumeroles at Bumpass Hell, Lassen Volcanic National Park, California, USA. Colors are from minerals mixed with the mud. Dark muds are mixed with pyrite, yellow muds with sulfate minerals. Kodachrome scanned film, 1982.
historic stone well located in madrid spain drawing water from the depth
Evaporating salt on Ibusuki coast, Yamagawa Salt refinery factory pool, Kagoshima
Bubbling pool at Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Close-up of Dead Sea salt mineral natural formation crystal layers in Jordan
Experiential Travel Around South Sulawesi Indonesia
Muddy hot spring, mudpot or mud pool in Ethiopia
The Artists' Paintpots are a vibrant geothermal area. Known for its colorful hot springs and bubbling mud pots, the site showcases a variety of hues due to different minerals and thermophilic microorganisms.
Rotorua - City laying in the heart of an active geothermal area
Norris Geyser Basin, Yellowstone National Park.
Free Images: "bestof:One of the hot springs issuing from a crevice in the side of a large pot-hole ten feet above the floor of the middle... - NARA - 293849.tiff Scope and content"
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