Grand Geyser erupts (right) with a simultaneous eruption from Vent Geyser (left). Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13457
White Dome Geyser rises to a height of 30 feet or more, and typically erupts with an interval of 15 to 30 minutes. It is located along Firehole Lake Drive.
Location: Lower Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13540
Pink Cone Geyser erupts. Pink Cone Geyser reaches 30 feet in height, and has highly variable interval and duration. It is a cone-type geyser and its cone has a pinkish tint due to manganese oxide in it. Firehole Lake Drive, Lower Geyser Basin, Yellowstone Park.
Location: Lower Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13551
Grand Prismatic Spring displays a stunning rainbow of colors created by species of thermophilac (heat-loving) bacteria that thrive in narrow temperature ranges. The blue water in the center is too hot to support any bacterial life, while the outer orange rings are the coolest water. Grand Prismatic Spring is the largest spring in the United States and the third-largest in the world. Midway Geyser Basin.
Location: Midway Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13573
Grand Prismatic Spring displays brilliant colors along its edges, created by species of thermophilac (heat-loving) bacteria that thrive in narrow temperature ranges. The outer orange and red regions are the coolest water in the spring, where the overflow runs off. Midway Geyser Basin.
Location: Midway Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13587
Grand Prismatic Spring displays brilliant colors along its edges, created by species of thermophilac (heat-loving) bacteria that thrive in narrow temperature ranges. The outer orange and red regions are the coolest water in the spring, where the overflow runs off. Midway Geyser Basin.
Location: Midway Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13591
Lamar Valley, summer. The Lamar Valleys rolling hills are home to many large mammals and are often called Americas Serengeti.
Location: Lamar Valley, Yellowstone National Park, Wyoming
Image ID: 13647
Bull elk in sage brush with large rack of antlers during the fall rut (mating season). This bull elk has sparred with other bulls to establish his harem of females with which he hopes to mate.
Species: Elk, Cervus canadensis
Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming
Image ID: 19702