Old Faithful feyser eruption, Upper Geyser Basin, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA

america american area areas attraction attractions basin conservation day daylight daytime during energy eruption exterior exteriors faithful famous feyser geothermal geothermic geyser geyser geysers hot hot spring hot springs in known national national natural nature nobody north of old outdoor park park parks photo photos power preserve preserves renowned reserve reserves sanctuaries sanctuary seeing shot shots sight sights site sites source sources spring springs states steam steaming the thermal tourist united upper us us american usa well well known wells wildlife worth wyoming yellowstone