Go wine tasting in Sonoma and experience San Francisco on your own schedule with a 2 Day Official city hop-on hop-off bus pass. Taste the superb wineries of Sonoma Valley and the Carneros region on a 4-5 hour day trip from the city, which includes a wine tasting fee. Plus, enjoy the flexibility of 20 stops along a route through Fisherman's Wharf, Golden Gate Bridge, Golden Gate Park, Haight & Ashbury, Union Square, Civic Center, Chinatown, Lombard Street, and Pier 39.