832-123974 - Minerva Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123953 - Dead trees at Angel Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America

832-124034 - Angel Terrace, Upper Terraces, limestone sinter terraces, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA

832-123955 - Dead trees at Angel Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, America

832-110171 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA

832-110169 - Orange Mound Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA

832-110167 - Dead trees on the Angel Terrace, Upper Terraces, limestone sinter terraces, geysers, hot springs, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA

832-110193 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA

832-110194 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA

832-110181 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA

832-110185 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, dead trees, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America, USA

832-42376 - Palette Spring Terrace, Lower Terraces, limestone sinter terraces, geysers, hot springs, colourful thermophilic bacteria, Mammoth Hot Springs Terraces, Yellowstone National Park, Wyoming, United States of America

1113-72346 - Elk on Minerva Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA

1113-44918 - People on the slopes at Mammoth Mountain ski area, California, USA, America

1113-48302 - Senckenberg-Museum, view of the hall with whales and elephants, Frankfurt am Main, Hesse, Germany, Europe

1113-48294 - Senckenberg-Museum, view of the hall with whales and elephants, Frankfurt am Main, Hesse, Germany, Europe

831-1048 - Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1049 - Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1053 - Mound Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1050 - Minerva Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1052 - Mound Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1051 - Mound Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1045 - Liberty Cap, a dormant hot spring cone, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1044 - Undine Falls, near Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1047 - Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

831-1046 - Devil's Thumb and Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

857-37017 - A groundhog stops for a better view in Mammoth, California on August 22, 2006.

857-23901 - Well known racer, Greg Herbold, races in the 1990 World Mountain Bicycle Championships held in Durango, Colorado. Durango was and has been a Mecca for Mountain bikers throughout the nation. The 1990 championships were the first ever unified world championships.

857-23906 - Stunt riding demonstration at a 1988 Mountain Bicycle Championships held in Mammoth, California.

857-23903 - Well known racer, Greg Herbold, races in a 1988 Mountain Bicycle Championships held in Mammoth, California.

857-18566 - Mammoth Hot Springs area, Minerva Terrace, in Yellowstone National Park.

757-193 - Woman relaxing in hot spring, Mammoth Lakes region, California, United States of America, North America

757-192 - Woman relaxing in hot spring, Mammoth Lakes region, California, United States of America, North America

832-7052 - Mammoth Hot Springs, Yellowstone Nationalpark, Wyoming, USA, Vereinigte Staaten von Amerika

764-2403 - Main Terrace Hot Spring with snow, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

776-2230 - Mammoth skeleton from the Pleistocene Ice Age at the Nevada State Museum, Carson City, Nevada, United States of America, North America

767-560 - The Mammoth Site, Hot Springs, South Dakota, United States of America, North America

767-559 - The Mammoth Site, Hot Springs, South Dakota, United States of America, North America

741-2844 - The Mammoth Site, Hot Springs, Black Hills, South Dakota, United States of America, North America

698-2262 - Dead trees at the top of Canary Spring, Main Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

698-2257 - Canary Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

698-2245 - Canary Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

698-2243 - Dead tree trunks, Canary Spring, top Main Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

698-2242 - Dead tree trunks, Canary Spring, Main Terrace, Mammoth Hot Springs, Yellowstone National Park, UENSCO World Heritage Site, Wyoming, United States of America, North America

698-2237 - Dead tree trunks, Canary Spring, top Main Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

698-2234 - Liberty Cap, Mammoth Hot Springs, Yellowstone National Par, UNESCO World Heritage Site, Wyoming, United States of America, North America

777-1992 - Main terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

777-1259 - Mineret Falls, John Muir Trail, Inyo National Forest, Mammoth, California, United States of America, North America

365-1122 - Minerva Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America

29-820 - Cleveland Avenue passage in Mammoth Cave System, Kentucky, United States of America, North America

29-4660 - Sinkhole Plain, polygonal doline karst, near Mammoth Cave, Kentucky, United States of America, North America

83-4570 - Close-up of the limestone terraces formed by volcanic water depositing six inches of calcium carbonate a year, Mammoth Hot Springs and Terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

83-4571 - Close-up of the limestone terraces formed by volcanic water depositing six inches of calcium carbonate a year, Mammoth Hot Springs and Terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

29-2597 - Travertine calcite deposits, Minerva Terrace, Mammoth Hot Springs and Terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America

306-2387 - Terraces, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (USA), North America

29-491 - Hot water in pools on calcite terraces deposited by Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America

197-1581 - Minerva Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (USA), North America

29-2595 - Travertine calcite deposits on the Canary Spring terraces, Mammoth Hot Springs and Terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

685-413 - Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America