Alcatraz Island is located in San Francisco Bay, 1.25 miles offshore from San Francisco, California, United States. The small island was developed with facilities for a lighthouse, a military fortification, a military prison, and a federal prison, the latter operated from August 11, 1934 until March 21, 1963. , The strong currents around the island and cold water temperatures made escape all but impossible. Since the late 20th century, it has become a major tourist attraction. Beginning in November 1969, the island was occupied for more than 19 months by a group of Native Americans, initially primarily from San Francisco, who were later joined by AIM and other urban Indians from other parts of the country, San Francisco is a great city. It is beautiful and diverse. It has great food and a lot of wonderful people. So yes, it is worth visiting.