English: The main cell block and lighthouse on Alcatraz Island, San Francisco Bay, California. The "parade ground", which once had three apartment style buildings to house prison employees and their families (demolished after the Indian occupation of 1969-1971), is in the foreground.
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|The lighthouse on Alcatraz Island, San Francisco Bay, California.}} |Source=Transferred from [http://en