Legends of Alcatraz Legends of Alcatraz Located in the San Francisco Bay, Alcatraz Island and Alcatraz Federal Penitentiary have been cited as one of the most haunted places in America, and also as the most haunted prison in the country. The Native Americans mentioned the evil spirits they purportedly encountered on the island long before it became a federal prison. Mark Twain documented the eerie atmosphere of the island after visiting it, described it as "being as cold as winter, even in the summer months." Prisoners, rangers and visitors have reported a wide range of alleged ghostly activity on Alcatraz, from whispering in
Alcatraz Citadel coves and bay. In 1882, the citadel was enlarged to provide more accommodation for the families of the military officers working on Alcatraz. Between 1873 and 1895, 32 Native Americans were imprisoned at the citadel on Alcatraz, including 19 Hopi men held in captivity there between January and August 1895 after being transferred from Fort Defiance. The island continued to develop in the 1880s and in 1898 the population of Alcatraz increased dramatically from 26 to over 450 due to the Spanish–American War and placed a demand for new buildings. The original barracks evolved into Building 64 in 1905. The