HD Canyon Wallpapers. Spectacular canyon featured wallpapers of the numerous UNESCO World Heritage Sites from around the world. Be amazed at our vast collection of scenic pictures of the valleys, gorges and colourful sandstone rock formations of the Grand Canyon National Park. Any of these landscape scenes will make for beautiful desktop wallpaper backgrounds, especially in full 1080p hd. Download our free HD canyon wallpapers for your computer screens and enjoy these fantastic canyon photographs.