The Tsar Cannon is a large, nearly 20 foot-long cannon on display on the grounds of the Moscow Kremlin. It was cast in 1586 in Moscow by the Russian master bronze caster, Andrey Chokhov. Mostly of symbolic impact, it was never fired in war. As stated in the Guinness Book of Records, it is the largest caliber cannon in the world and it is a major tourist attraction at the Moscow Kremlin.