artesia geyser next to firehole lake in the lower geyser basin in yellowstone national park in wyoming usa

america artesia basin black boardwalk camping catwalk cloud crater creek cumulus drive fall firehole forest fumarole geology geyser green hiking hills hot lake lower mineral mist mountains national nature north orange park path pond sign spring springs states steam summer tangle thermophile trail travel trees united usa vacation vapor walkway warrior water western wilderness wyoming yellowstone