This visit to Devil Island actually requires an appointment. I don't think there are many people going to this place. The island's prison facilities remain intact, even the bullet marks left by the riots in the prison are clearly visible. From the island, you can see the city of San Francisco. It is said that at night, you can clearly hear the music and noise coming from the city of San Francisco. It can be seen that the prisoners here suffered a lot. A small island less than two miles from San Francisco Fisherman's Wharf is actually a huge 22-acre reef. Its English name, Alcatraz Island, means Pelican Island, because the prison on the island once held a prisoner named Philip Grosser, who wrote a book describing his experience in the iron window "Uncle Sam &_39; s Devil & Magic Island.