The sound of jazz and the scent of sourdough bread wafts over the afternoon breeze as you sip on an Irish coffee at the Buena Vista Caf and take in the bold and beatnik architecture of Haight-Ashbury. Over by Lombard Street, the zig-zagging hydrangeas and hairpin bends lead you up to a stunning view of the city wrapped in lazy afternoon sunshine. Down by The Presidio you hire a couple of bikes and cycle the Bay Ridge Trail through the Art Deco towers of the Golden Gate Bridge to Sausalito and head back on the ferry at sunset to Fisherman?s Wharf and a quayside Dungeness crab chowder. Your next day brings abundant sunshine and acres of fertile soil in the green hills of the Napa Valley, home to some of North America?s finest wines. Back in the city the Blue and Gold Fleet ferry waits to take you to infamous Alcatraz for a haunting journey into one of the harshest chapters of American judicial history. The Michelin Green Guide is the authority on San Francisco today and the forces of nature and socie