altitude America cascades cloud cold conifer freeze freezing frozen high icy landscape mountain natural nature peak range ridge shadow silhouette sky slope snow sunlight sunset tree usa view winter abstract area background blood bloody dramatic grass heaven leaves pall plant red sun sunrise wallpaper weather beautiful black blue clouds creation drama evening glory gold holiday horizon island lake ocean orange peace scrapbooking skies spectacular summer tropics vacation vivid water waterscape yellow angry apocalyptic bright brilliant colorful colourful contrast dark darkening disturbing dusk fiery flaming gold foreboding frightening golden light lighting molten skies moody setting sun shadows shining silhouettes spreading