Of all the places celebrities partied during Hollywood's Golden Age, one of the most popular was more than four hours north of Tinseltown. Movie stars and others among Hollywood's most famous drinkers often attended parties at Hearst Castle in San Simeon, CA, owned by publishing mogul William Randolph Hearst. While Hearst's enormous hillside estate may have inspired the somber epic Citizen Kane, what went on behind the walls of the real castle had a more playful and fun tone - at least until Hearst ran out of money.