Fog among a hillside with evergreens, 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 fog hillside evergreen 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 scenics scenic scene scenes scenery hill cloud mist tree silhouette shadow light landscape landscapes national park tranquil scene tranquil tranquility calm peaceful peacefulness calmness peaceful scene calm scene ethereal atmospheric atmosphere sirius collection