This one-of-kind theme park (formerly Six Flags Marine World) brings together interactive animal attractions and the best family rides and roller coasters in Northern California. America's original combination wildlife park, oceanarium and theme park features 135 acres of roaring good times. From Shouka, the beautiful killer whale to Medusa, a fast, fearless world-class roller coaster to a well-known "wascally rabbit," Six Flags Discovery Kingdom is a once-in-a-lifetime experience. This premier destination offers something for everyone in the family with marine life, wildlife, fast and furious rides and spectacular shows for the entire family to enjoy.