City sightseeing san francisco san francisgo pass this valuable san francisco tour package includes the 48 hours hop on hop off downtown loop on a double decker bus as well as a choice of 2 additional popular tours and attractions of san francisco choose from two of the following muir woods tour from sausalito san francisco bay cruise 2 hour bike rental aquarium of the bay at pier 39 12 hour go car rental ripleys believe it or not walt disney museum why not combine your visit to san