Bison, Yellowstone Lake area, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Break of dawn at the waterside of Yellowstone Lake, Yellowstone National Park, Wyoming, USA, United States of America

Sunset Lake, geyser, drainage area with a boardwalk, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

Detailed view of the Black Pool, West Thumb Geyser Basin, Yellowstone Lake, Yellowstone National Park, Teton County, Wyoming, USA

Break of dawn at the waterside of Yellowstone Lake, Yellowstone National Park, Wyoming, USA, United States of America

Break of dawn at the waterside of Yellowstone Lake, Yellowstone National Park, Wyoming, USA, United States of America

Fountain Paint Pots, mud pots, Firehole Lake Drive, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

American Bison, Buffalo (Bison bison), herd, Yellowstone National Park, Wyoming, USA

Morning fog at Yellowstone Lake, Yellowstone National Park, Wyoming, USA, United States of America

Sunset Lake, geyser, drainage area, coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

Steaming geysers and hot springs, Fairy Creek, Firehole Lake Drive, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

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