817-329822 - Tourist on boardwalk in steam over the fragile ground at the Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming
817-329824 - Tourist boardwalk and steam over the fragile ground at the Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming
817-126321 - Grand Prismatic Spring Midway Geyser Basin Yellowstone National Park Wyoming USA Considered to be the largest hot spring in Yellowstone Discharges about 550 gallons of water poer minute
698-2298 - Tourists on the boardwalk around the Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2294 - Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2290 - Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2289 - Excelsior Pool, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2288 - Grand Prismatic Spring and Excelsior Pool behind, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2271 - Tourists on boardwalk over the mineral runoff from Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2268 - Tourists on boardwalk over the mineral runoff from Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2265 - Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2259 - Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2251 - Dead tree trunks in hot spring area of the Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
698-2249 - Dead lodgepole pine trunks, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
29-3882 - Winter in Midway basin, buffalo beside Firehole river, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
29-3891 - 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
29-3890 - 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