Boo-crative strategy at Southern California theme parks

Disney California Adventure Park decorated the entire theme park for Halloween. In the past, only the areas known as Cars Land, was decorated for the fall holiday. (Hugo Martin/Los Angeles Times/TNS)

Visitors pass through the blood filled hallway of the Overlook Hotel inside the Shining maze at Halloween Horror Nights at Universal Studios on Sept. 28, 2017. (Robert Gauthier/Los Angeles Times/TNS)

Actors Billie Lourd, left, Leslie Grossman, middle, and Colton Haynes, right, member’s of the cast of the new season of FX’s “American Horror Stor”y get spooked on Sept. 22, 2017 while going though the American Horror Story: Roanoke - Halloween themed attraction-maze at Universal Studios. (Francine Orr/Los Angeles Times/TNS)

Monsters wait for the gates to open to greet guests at Queen Mary’s Dark Harbor Halloween celebration on Oct. 5, 2017. (Myung J. Chun/Los Angeles Times/TNS)

LOS ANGELES — In years past, Six Flags Magic Mountain’s annual Halloween celebration isolated the monsters and ghouls to certain areas of the amusement park while keeping other parts, such as the kid-centric Bugs Bunny World, as a scare-free sanctuary for parkgoers who wanted no part of what the Southern California park calls Fright Fest.