Fear in 3D - The Experiment is a frightfully unique haunted attraction located in the Shoppes at Chino Hills. At Fear in 3D, you are The Experiment. You will come face-to-face the creepiest sights and scariest creatures that will surely keep you up at night. We bring your darkest nightmares to life! This terrifying adventure is certain to bring chills down your spine. Fear in 3D has been completely renovated for 2021 with brand new scenes and scares around every corner. Do you think you have what it takes to be part of the Experiment? Come experience Southern California’s largest and most frightful Halloween 3D Haunt EVER! Our ghouls are dying to meet you.