Pirates of the Caribbean is a multi-billion dollar Walt Disney franchise encompassing a series of films, a theme park ride, and spinoff novels as well as numerous video games and other publications. The franchise originates with the Pirates of the Caribbean attraction, which opened at Disneyland in 1967, the last Disney theme park attraction overseen by Walt Disney. As of August 2006, Pirates of the Caribbean attractions can be found at four Disney theme parks and their related films have grossed more than US$3 billion.