Blue holes and white crystals, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

travel destination photography horizontal colour image outdoors day water no people national park north america unesco world heritage site unesco yellowstone national park wyoming united states of america blue hole white crystals geothermal natural landmark heat physical geography non urban scene american culture typically american traditionally american unesco world heritage sites world heritage site world heritage sites topography landmark place of interest nobody no one no one tourist destination travel outside colour color image color usa us united states american north american