Cliff Geyser erupts from geyserite bank on edge of Firehole River through Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America

September 12, 2009 - Castle Geyser eruption with rainbow, Upper Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.

September 12, 2009 - Castle Geyser eruption with rainbow, Upper Geyser Basin geothermal area, Yellowstone Caldera, Yellowstone National Park, Wyoming.

Active geysers on geyserite domes, El Tatio geyser basin on altiplano, Atacama Desert, Chile, South America

Geyserite cone of the White Dome Geyser, Firehole Lake Drive, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA