Alcatraz Federal Penitentiary and the island became a prison of the Federal Bureau of Prisons in August 1934 after the buildings were modernized to meet the requirements of a top-notch security prison. Given this high security and the location of Alcatraz in the cold waters and strong currents of San Francisco Bay, the prison operators believed Alcatraz to be escape-proof and America's strongest prison. Alcatraz was designed to hold prisoners who continuously caused trouble at other federal prisons. One of the world's most notorious and best known prisons over the years, Alcatraz housed some 1,576 of America's most ruthless criminals including Al Capone,
Legends of Alcatraz their refuge. "The Washington Post" has also claimed that Alcatraz is a place "where visitors can sense the dread of past inhabitants still trapped in the atmosphere." "New York Magazine" has said that although the penitentiary hasn't been operational since 1963, it "remains ultra sinister, perversely fascinating, iconic." A documentary "Haunted Alcatraz", broadcast on the Travel Channel, has said "there is little question that Alcatraz holds a particular place in our collective imagination, consistently evoking feeling, stirring and dark" and that the "power of the island" still captivates visitors after departure. A 1995 book included Alcatraz as one of "The