Visitors at Cistern Spring, Norris Geyser Basin, Yellowstone UNESCO World Heritage Site, Wyoming, United States of America, North America

travel destination travel destinations travel photography colour image colour color image color vertical cistern spring norris geyser basin yellowstone unesco world heritage site unesco world heritage sites unesco world heritage site world heritage sites wyoming usa us united states usa us united states united states of america north america american north american outdoors outside day landscape landscapes scenics scenery scenic scene scenes nature the natural world physical geography topography topography geology international landmark landmarks non urban scene tree natural landmark landmarks heat steam turquoise water decking watching looking at view two people men males rear view standing full length tourist tourists holiday maker holiday makers on holiday geyser pressure hot spring power in nature the natural world standing water