Guantánamo Bay: The most expensive prison on earth - cost $800,000 per prisoner PER YEAR
• Daily MailThe Pentagon detention centre at Guantanamo Bay has been declared the most expensive prison on Earth. The Guantanamo Bay Prison, which opened on the U.S. naval base in Cuba in January 2002, costs U.S. taxpayers $800,000 per year per each of its 17