Guests enjoy $3 tacos in chicken, pork, beef, seafood and veggie varieties, as well as salsa, guacamole and other Mexican fare as dozens of restaurants, chefs and food trucks compete for cash prizes and bragging rights. Live music, a tequila expo, celebrity chef cooking demonstrations, Chihuahua beauty pageant, food contests, children’s activities and lucha libre wrestling are included. PHOENIX magazine is among the sponsors. 11 a.m.-7 p.m. Call for ticket prices. WestWorld of Scottsdale, 16601 N. Pima Rd., Scottsdale, aztacofestival.com.