Fiesta enthusiasts rejoice: Atlanta's largest celebration of el mundo en Español returns today with FESTIVAL PEACHTREE LATINO. A colorful parade features dancers and music, and La Costeña hosts the Feel the Heat Jalapeño Eating Challenge (pictured). The food products company will donate canned goods to the Atlanta Community Food Bank for every jalapeño eaten, and whoever's brave enough to break last year's record of 16 jalapeños in one minute will leave with $500. Free. Festival: 10 a.m.-10 p.m. Parade: 10 a.m. Contest: 3 p.m. Underground Atlanta, 50 Upper Alabama St. 404-321-0663. www.festivalpeachtreelatino.com.