Sydney Opera House Australia HD desktop wallpaper High. Sydney Opera House Australia HD wallpaper for Wide Widescreen WUXGA WXGA WGA HD High. Sydney Opera House HD Wallpapers Backgrounds. Check out our 52 Sydney Opera House Wallpapers and Backgrounds and download them on all your devices. HD Sydney Wallpapers The Roar Of Opera House In The Harbor Found in many Sydney wallpapers Sydney Opera House is one of the signature buildings of Australia. Sydney Opera House Wallpapers Wallpaper Cave Tons of awesome sydney opera house wallpapers to download for free. You can also upload and share your favorite.