Download Other: Alcatraz Prison San Fran Fransisco Bay Island Desktop Wallpaper from the all Widescreen (4K 5K 8K Ultra HD resolutions) for mobiles, tablets and desktops devices with Microsoft Windows / Apple iOS & MacOS / Android / Linux and other devices. Other: Alcatraz Prison San Fran Fransisco Bay Island Desktop Wallpaper is part of the Alcatraz Island collection.