Firehole Spring, Firehole Lake Drive, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

travel destination travel destinations travel photography colour colour image color color image horizontal horizontal image outdoors outside day nobody no one no one firehole spring firehole lake drive yellowstone national park unesco unesco world heritage site world heritage site wyoming usa us united states united states of america north america american north american spring geology geological geothermal national park landmark landmarks famous well known well known tourist destination non urban scene scenics scenic scene scenes scenery pool water bubble mineral earth tree nature natural