Howl-O-Scream is an event that occurs at the largest SeaWorld theme park in which Texas city?
Howl-O-Scream: Howl-O-Scream is an annual special event that occurs at Busch Gardens Tampa Bay, Busch Gardens Williamsburg, and SeaWorld San Antonio. SeaWorld San Antonio:  It is the largest of the three parks in the SeaWorld chain owned by SeaWorld Entertainment, and the world's largest marine-life theme park.
i don't know