Themes: Alaska Forest, Alaska Lakes, Alaska Tundra, Alatna River, Arctic Tundra, Autumn Landscapes, Mountains in Autumn, Autumn Scenery, River in fall, Forest Lake, Forests Autumn, Gates Arctic Landforms, Gates Of The Arctic Fall Colors, Mountain Lakes, Mountain Tree, Rivers Tundra, Spruce Forest, Thailand World Heritage Sites, Trees Tundra, Tundra Landforms, Tundra Plants, World Heritage Sites