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Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Travertine terraces in Mammoth hot springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Travertine terraces in Mammoth hot springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Travertine terraces in Mammoth hot springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Olkaria Geothermal Plant, Hells Gate National Park, Kenya, East Africa, Africa
Mount Fuji (3776m), Owakidani geothermal park, Hakone, Honshu Island, Japan, Asia
Castle Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Castle and Sawmill Geysers in eruption in Old Faithful Geyser Basin in winter, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Blisters measuring about 10 cm across in boiling mud pool, Mud volcano, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Hikers on Tongariro Crossing trek, Emerald Lakes in geothermal area, Tongariro National Park, UNESCO World Heritage Site, Taupo, North Island, New Zealand, Pacific
Geothermal steam from geyser vent between eruptions, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Echinus Geyser, erupts every hour in Norris Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Travertine calcite deposits, Minerva Terrace, Mammoth Hot Springs and Terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Steam from hot springs and snow-free hot ground in Midway Basin in winter, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Buffalo beside Firehole River in winter in Midway geothermal basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Snowy landscape at Yellowstone National Park, USA
Grand Prismatic Spring in Yellowstone National Park, United States
Young woman in Norris Geyser Basin, Yellowstone National Park, USA
Norris Geyser Basin in Yellowstone National Park, USA
Steam vents rising from river in Yellowstone National Park, USA
Young woman in Norris Geyser Basin, Yellowstone National Park, USA
Great Fountain Geyser at sunset; Firehole Lake Drive, Yellowstone National Park, Wyoming, USA.
Norris Geyser Basin in Yellowstone National Park, USA
Norris Geyser Basin in Yellowstone National Park, USA
Person watches fumaroles in Upper Geyser Basin, Yellowstone National Park, USA
Young woman in Norris Geyser Basin, Yellowstone National Park, USA
Young woman in Norris Geyser Basin, Yellowstone National Park, USA
Norris Geyser Basin in Yellowstone National Park, USA
Norris Geyser Basin in Yellowstone National Park, USA
Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA.
Glory Pool Yellowstone National Park WY
Bison warming at hot spring, Yellowstone National Park, Wyoming, USA, America
View of dormant volcano Mount Taranaki at Egmont National Park, North Island, New Zealand, Oceania
View of dormant volcano Mount Taranaki at Egmont National Park, North Island, New Zealand, Oceania
View of dormant volcano Mount Taranaki at Egmont National Park, North Island, New Zealand, Oceania
Geothermal park, Hveragerdi, Sudurland, Iceland
Geyser Old Faithful in the sunlight, Yellowstone National Park, Wyoming, USA, America
Morning Glory Pool, a hot spring in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Morning Glory Pool, a hot spring in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Demonstration of the geothermal energy in the National park Timanfaya, Lanzarote, Canary Islands, Spain
Grand Prismatic Spring, Yellowstone National Park, Wyoming, United States of America
Break of dawn at the waterside of Yellowstone Lake, Yellowstone National Park, Wyoming, USA, United States of America
Grand Prismatic Spring, Yellowstone National Park, Wyoming, United States of America
Geothermal power plant, Latrabjarg, Iceland, Europe
Mound and Jupiter Spring Terrace, Main Terrace, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
Minerva Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA
Old faithful geyser erupting at yellowstone national park
Mud Volcano, steaming thermal spring in the back, Dragon's Mouth Spring, Yellowstone National Park, Wyoming, USA, North America
Orange and red mineral deposits, steaming hot springs, morning sun, West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Red mineral deposits and green algae at a thermal spring, steaming hot springs, Whirligig Geyser, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Detailed view of the discoloration caused by bacteria and algae on a geyser, Geyser Hill, Old Faithful Area, Yellowstone National Park, Wyoming, USA, North America
Thermal springs of Benjë, River Lengarica, Lengaricë, near Përmet, National Park Hotova-Dangell, behind the Nemërçka Mountains, Qar Gjirokastra, Gjirokastër, Albania, Europe
Sinter terraces with calcareous tuff deposits, hot springs, colorful mineral deposits, Palette Springs, Lower Terraces, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, North America
Tourists on a jetty in the thermal area, steaming hot spring, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Young woman photographed, dead trees at Opalescent Pool with mineral deposits, Black Sand Basin, Yellowstone National Park, Wyoming, USA, North America
Steaming hot spring with sun star, Colored mineral deposits, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Orange and red mineral deposits, steaming hot springs, morning sun, West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Red mineral deposits and green algae at a thermal spring, steaming hot springs, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Red mineral deposits at a thermal spring, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Hot spring with steaming turquoise water, Excelsior Geyser Crater, Yellowstone National Park, Wyoming, USA, North America
Steaming fumarole at the lake with morning sun, Lakeshore Geyser, West Thumb Geyser Basin, Yellowstone Lake, Yellowstone National Park, Wyoming, USA, North America
Boardwalk between steaming hot springs, morning sun, West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Steaming hot spring with turquoise water in the morning sun, Black Pool, West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Steaming hot spring with turquoise water in the morning sun, Black Pool, West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Hot spring with steaming turquoise water, Excelsior Geyser Crater, Yellowstone National Park, Wyoming, USA, North America
Emerald Spring, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Steaming hot spring, dead trees in the back, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
Turquoise clear water of a hot spring, Sapphire Pool, Black Sand Basin and Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America
Yellow bacteria and algae in a hot spring at Black Sand Basin and Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America
Dead trees at Opalescent Pool with mineral deposits, Black Sand Basin, Yellowstone National Park, Wyoming, USA, North America
Tourist on a logging road in front of steaming hot spring, Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America
Black Opal Pool, Hot Spring, Yellow Algae and Mineral Deposits, Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America
Turquoise clear water of a hot spring, Sapphire Pool, Black Sand Basin and Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America
Crested Pool, a hot spring in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Chromatic Spring in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Steppe, open plain, Polloquere springs, thermal baths, Salar de Surire, Salt Lake, Reserva Nacional de las Vicunas, Lauca National Park, Altiplano, Norte Grande, Northern Chile, Chile, South America
Tourist on a boardwalk amidst the steam of the springs and geysers, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
Orange Mound Road, Upper Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America
Tourists standing on the edge of Grand Prismatic Spring, Yellowstone National Park, Wyoming, United States, North America
Dead trees on sinter terraces, hot springs, orange mineral deposits, Palette Springs, Upper Terraces, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, North America
Firehole Spring in Lower Geyser Basin, Yellowstone National Park, Wyoming, USA
Canary Spring Terrace, limestone sinter terraces, geysers, hot springs, in front of Mount Everts, Mammoth Hot Springs Terraces in Yellowstone National Park, Idaho, Montana, Wyoming, America
Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA
Crested Pool, a hot spring in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Opalescent Pool, geyser, drainage area with coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA
Orange Mound Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA
Tourist observes eruption of Castle Geysir, Yellowstone National Park, Wyoming, USA, North America
Mineral deposits at a hot spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America
Riverside Geyser, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Tourists on boardwalk, Grand Prismatic Spring, Midway Geyser Basin, colored thermophilic bacteria, microorganisms, hot springs, Yellowstone National Park, Wyoming, United States of America, USA