Alcatraz Island Lighthouse Alcatraz Island Lighthouse Alcatraz Island Lighthouse is a lighthouse – the first one built on the U.S. West Coast – located on Alcatraz Island in California's San Francisco Bay. It is located at the southern end of the island near the entrance to the prison. The first light house on the island was completed in 1854, and served the bay during its time as a Citadel and military prison. It was replaced by a taller ( above mean sea level) concrete tower built in 1909 to the south of the original one which was demolished after it was damaged due
Legends of Alcatraz 25 Scariest Places in the World". Alcatraz Citadel, also known as Fort Alcatraz, was the original military defense and prison on Alcatraz Island. The citadel was built in 1859 as a U.S. Army military defense, and began function as a war camp in 1861 and long-term military prison in 1868. During the American Civil War, the citadel and its batteries provided an important line of defense. The island continued to develop in the 1870s and 1880s, and in 1893, the first hospital on Alcatraz opened. A new upper prison was built in 1904, but after the citadel ceased function as