Prohibition sign, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

america american area areas attraction attractions basin board boards caution cautionary conservation danger dangerous dangerously dangers day daylight daytime during exterior exteriors famous geyser indicating indication indications known label labels lower national national natural nature nobody north notice notices of outdoor park park parks photo photos preserve preserves prohibition renowned reserve reserves risk risks risky sanctuaries sanctuary seeing shot shots sight sights sign signboard signboards signs site sites states the tourist united us us american usa venture ventures warn warning warnings warns well well known wildlife worth wyoming yellowstone