There is cheese known as Casu Marzu that is served riddled with writhing maggots that try to jump into your eyeballs as you eat it." The cheese is only eaten with the maggots alive -- if it is eaten when they are dead, the cheese is poisonous. It is cut in thin strips and eaten on bread. Because it becomes toxic, the Casu Marzu is illegal -- but that doesn't stop some who love the cheese and believe it to be an aphrodisiac. Read more about The Grossest Food Ever -- Casu Marzu.