The port city of San Francisco revels in art, diversity and food. Chinatown is a feast for the senses, and the city’s new Asian Art Museum a must-see. We get savvy on sourdough and tour notorious Alcatraz Island. A stroll through the Haight neighborhood harkens back to the “Summer of Love”, and the Italian cafes of North Beach serve up a dollop of hospitality with their espresso. Crossing the Golden Gate, Rudy heads to Napa Valley wine country for a relaxing mud bath and some off-beat garden art. Tips on vegetarian food and wine-tasting.