Whiz through San Francisco at your own pace aboard a GPS-guided GoCar and then explore Alcatraz, all in one day. See top San Francisco attractions such as Golden Gate Park, Lombard Street and the Presidio while driving your own private GPS-guided car, preloaded with more than 50 must-see attractions and landmarks. Then, hop on the ferry and take a fascinating audio tour of the prison cells of notorious Alcatraz Island.