Field of Screams: The Haunted Stadium
Location: Diamond Stadium , Lake Elsinore, California 92530
Phone: (951) 245-4487
Website: http://www.hauntedstadium.com
From their Facebook page:
Welcome to the Field of Screams! Inland Empire’s #1 Halloween tradition comes screaming back for yet another year of new attractions, new scenes, new characters, and more!
Here is a video from the 2013 Field of Screams attraction: