Morning Glory Pool geyser and boardwalk, Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA

america american and area areas attraction attractions basin boardwalk boardwalks conservation day daylight daytime dock docks during energy exterior exteriors famous footbridge footbridges geothermal geothermic geyser geyser geysers glory hot hot spring hot springs in known morning national national natural nature nobody north of outdoor park park parks photo photos pier piers pool power preserve preserves renowned reserve reserves sanctuaries sanctuary seeing shot shots sight sights site sites source sources spring springs states the thermal tourist united upper us us american usa well well known wells wildlife wood wooden worth wyoming yellowstone