Many movies have been filmed at the park , including parts of `` This is Cinerama , '' the first feature filmed in that wide-screen format , and several of Esther Williams films and TV specials in the 1950s and 1960s . Numerous movies were filmed at the park , including portions of This is Cinerama , the first feature filmed in the wide-screen format , and a string of Esther Williams films and TV specials in the 1950s and 1960s .