Red mineral deposits and green algae at a thermal spring, steaming hot springs, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

algae alga american america aquatic macrophyte aquatic plants aquatic plant botany chlorobionta deserted empty famous place geothermal area geothermal power geothermal spring geothermal geothermic energy geothermic geysers geyser green algae green alga green hot spring hot hydrophyte hydrophytic plant mineral deposits mineral deposit minerals mineral np national parks national park usa national park natural preserves natural preserve nature reserves nature reserve nature nobody no one no people noris geyser basin north america place of interest plants plant protected area red coloured red reserves reserve rocks rock sanctury sedimentation sediments sediment sights sight source springs spring steaming steam thermal area thermal springs thermal spring tourist attractions tourist attraction travel photography travel uninhabited united states of america united states us american us america usa water plant waters water vapor water wyoming yellowstone national park