Northern California is a day or weekend trip to some of the nation's best and most famous theme parks. From the OG park (Hi, Disneyland!) to Hogwarts at Universal, Legoland, Knott's, Six Flags, and Gilroy Gardens, it's an easy trek from San Francisco and the Bay Area to roller coasters, foods on sticks, and character meet and greets. Save money, prevent meltdowns, and even find the best bathrooms at California's best theme parks!