Welcome To Six Flags Fiesta Texas! Come experience San Antonio's biggest, most popular themed attraction featuring dozens of thrill rides, shows, and activities. Things to Do Looking for things to do in San Antonio? At Six Flags Fiesta Texas, there’s a lot to ‘WOW!’ about. Like, pulse-pounding coasters, never- before-seen culinary creations, new attractions every season and world renowned entertainment that will get you on your feet – to name a few! Read on to get the inside scoop on information around the park for your next family visit, right at your fingertips. Whether you’re planning a weekend trip or days of theme park fun, the details are just a click away.