One of America’s top art shows, the festival has a well-deserved reputation as a world-class event. Stroll downtown’s cool Castro Street and experience a vibrant, multicultural scene, an authentic feast for the senses. One of California’s largest two-day festivals, throngs of art lovers are expected to pour into Silicon Valley’s epicenter for this “Cultural Community Celebration” presented by the Chamber of Commerce Mountain View. Hours are 10 a.m. to 6 p.m. both days. Admission is free.