Cover two of san franciscos top highlights with a wine country bike tour and admission to alcatraz island first head up to napa valley dry creek valley or russian river valley for a relaxing bike ride to four wineries with a local wine expert guide take in the beautiful landscapes as you learn about winemaking and enjoy a gourmet picnic lunch among the vineyards the following day at alcatraz listen to the voices of notorious prisoners and explore the cellblock with the provided audio tour