Tourists on a boardwalk amidst the steam of the springs and geysers, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

ambiance ambient america american amidst and area areas atmosphere atmospheric attraction attractions basin being beings black boardwalk bodies body conservation day daylight daytime during energy exterior exteriors famous filled full geologic geological geologically geology geothermal geothermic geyser geyser geysers hot hot spring hot springs human humans known mood mood filled moods national national natural nature north of on outdoor park park parks people person persons photo photograph photographing photographs photos picture power preserve preserves renowned reserve reserves sanctuaries sanctuary sand seeing shot shots sight sights site sites snap snapping snaps source sources spring springs states steam steaming take takes taking the thermal tourism tourist touristic touristical touristically tourists tourists touristy two united upper us us american usa vapor vapour water waters well well known wells wildlife worth wyoming yellowstone