River and colourful foliage in the Indian summer, Great Smoky Mountains National Park, UNESCO World Heritage Site, Tennessee, United States of America, North America

color image photography outdoors no people nobody scenic fall summer great smoky mountains national park rocky water smoky mountains unesco world heritage site tranquil day tranquility travel travel destinations horizontal nature scenics beauty in nature autumn seasons trees colorful foliage usa indian summer great smoky mountains national park unesco world heritage site tennessee united states of america north america rocks river tranquil scene