San Francisco's Hayes Valley neighborhood has undergone a dramatic renewal over the last 20 years. Now a trendy destination with abundant restaurants, Hayes Valley is the perfect setting for a 3-hour gourmet food tour. Walk with a guide and small group to the neighborhood's specialty retail shops and foodie hangouts such as a speakeasy for a much-needed break. With seven tastings on this walking tour, you won't go hungry nor will your waistline take a hit. Just be sure to wear comfortable shoes.