yell2241 West Thumb Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2241.html lavo1506 Thermal pool in Bumpass Hell thermal area. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo1506.html cabc33943 Mineral pool known as Paint Pot, used by First Nations for coloring. Kootenay National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/kootenay/picture.cabc33943.html yell0521 Pools, West Thumb geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0521.html cabc33939 Ochre mineral pool called Paint Pot, used as a source of color by the First Nations. Kootenay National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/kootenay/picture.cabc33939.html lavo1504 Green pool in Bumpass Hell thermal area. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo1504.html yell49267 Hot springs and snow, Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49267.html cabc33942 Trees and branches, mineral pool stained yellow by iron oxide. Kootenay National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/kootenay/picture.cabc33942.html lavo1516 Turquoise pool in Bumpass Hell thermal area. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo1516.html yell49244 Steam rising from pool in winter, West Thumb. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49244.html cabc33941 Refexions in the yellow waters of the Paint Pots. Kootenay National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/kootenay/picture.cabc33941.html yell49327 Mustard Spring. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49327.html cabc33944 Two of the Paint Pots with mineral-colored water. Kootenay National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/kootenay/picture.cabc33944.html yell49253 Crested Pool in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49253.html cabc33938 One of the ochre-colored Paint Pots, a warm mineral spring. Kootenay National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/kootenay/picture.cabc33938.html yell49282 Morning Glory Pool, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49282.html cabc33940 Paint Pot and fallen trunk. Kootenay National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/kootenay/picture.cabc33940.html yell8795 Morning Glory Pool with hikers. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8795.html yell49266 Chromatic Spring in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49266.html yell49325 Frosted tree and thermal pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49325.html yell49243 Thermal pool in winter, West Thumb Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49243.html yell49324 Sapphire Pool in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49324.html yell49283 Hiker at Morning Glory Pool, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49283.html yell49250 West Thumb Geyser Basin in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49250.html yell8794 Morning Glory Pool, midday. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8794.html yell21275 Raibow colored Morning Glory Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21275.html yell49245 Thermal pool and dark clouds, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49245.html yell21273 Beauty Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21273.html yell8796 Bright colors of morning Glory Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8796.html yell21271 Sapphire Pool, afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21271.html yell0510 Travertine formations in Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0510.html yell0507 Steam out of Beauty pool in Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0507.html yell21272 Blue clear waters in Sapphire Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21272.html yell2245 Chromatic Pool in Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2245.html yell21274 Thermal pool, upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21274.html