"West Thumb Geyser Basin, Yellowstone Lake, Yellowstone National Park, Wyoming, USA"

"Grand Geyser eruption, Yellowstone National Park, Wyoming, USA"

"Castle Geyer, Yellowstone National Park, Wyoming, USA"

"Tourists watching the eruption of the Old Faithful geyser, Yellowstone National Park, Wyoming, USA"

"Sinter terraces at the Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA"

"Morning Glory Pool, Yellowstone National Park, Wyoming, USA"

"Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA"

"Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA"

"Participants of the Old Faithful Yellowstone tour, at the entrance sign to Yellowstone National Park, Wyoming, USA"

"Grand Geyser, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States, North America"

"Black Growler Steam Vent, Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, Wyoming, USA"

"Bubbling hot springs, Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, Wyoming, USA"

"Splendid Geyser, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States, North America"

"Colourful hot spring, Chromatic Spring, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, United States, North America"

"Travertine terraces, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA"

"Geyser, hot spring, steam, Clepsydra Geyser, Lower Geyser Basin, Yellowstone National Park, Wyoming, USA, United States of America, North America"

"Hot spring, water fountain, eruption, geyser, Sawmill Geyser, Castle-Grand Area, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Tourists watching the eruption of Riverside Geyser, Yellowstone National Park, Wyoming, United States, North America"

Grand Prismatic Spring, Midway Geyser Basin, Yellowstone-Nationalpark, Wyoming, USA, Nordamerika

"Hot spring, eruption, geyser, water fountain, steam against a blue sky, Old Faithful, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Tourists at the Upper Geyser Basin, Yellowstone National Park, Wyoming, USA"