¡Viva la Fiesta! takes place at Six Flags Over Texas on select dates now through May 7. The event features vibrant decor, several live entertainment offerings and specialty food items. The park also continues to work on improvements as El Sombrero begins an extensive refurbishment, the Mexico section sees new theming enhancements, ride lockers arrive at Aquaman: Power Wave, a second Roller Coaster Coffee location is teased and more.