Alcatraz Island, located in San Francisco Bay, is famous for its historic federal prison that once held notorious criminals like Al Capone. The island, often called “The Rock,” operated as a prison from 1934 to 1963 and is now a popular tourist attraction. Visitors can take a ferry from Pier 33 and explore the prison cells, guard towers, and escape stories through guided tours. The island also features stunning views of the San Francisco skyline and diverse wildlife. With its rich history and eerie atmosphere, Alcatraz Island is a must-visit for history buffs and adventure seekers.