Castle Geyser in the Upper Geyser Basin of Yellowstone is the world’s largest geyserite sinter cone. This sinter cone is thousands of years old and sits on an even older platform. It is the largest sinter formation of its kind in the world. Castle erupts every 13...
The geothermal area of Norris Geyser Basin is the hottest and most dynamic part of the volcanic caldera of Yellowstone. It is located near the northwestern edge of the caldera, where major faults in the Earth’s crust intersect with the ring-fracture zone that resulted...
Plume Geyser in the Upper Geyser Basin of Yellowstone erupts with a high fountain of boiling water and steam. As the water passes through the vent in the ground, it is set into rapid rotation. This unique moment is frozen in time and backlit by the sun, creating pure...
