The last time Disney opened a theme park in California, Dwight D. During Disneyland�s opening ceremony in 1955, Walt Disney said "Disneyland will never be complete as long as there is imagination left in the world".In 1995, Disney chairman Michael Eisner and a team of Imagineers and executives exercised their imagination during a three-day brainstorming retreat in Aspen, Colorado. The result was the concept for Disney's California Adventure. After five and a half years and $1.4 billion later, Disney's California Adventure is a reality.There are 3 "land" in the Disney's California Adventure.