Book Hop On Hop Off Bus Tours San Francisco - Book Hop On Hop Off Bus Tours San Francisco one of the most popular way to see San Francisco. Trip a double-decker sightseeing and bus tour to San Francisco's most well-known landmarks with a selection of 2 various passes. Check out the city's 49 square miles, including quits at big-name attractions like Pier 39, the Palace of Arts as well as Union Square. Address your very own speed, hopping off at any one of 16 stops, exploring at your recreation, and after that hopping back on when you are done. Select the Costs pass to include an evening excursion or a Deluxe pass for an extra 24 hours of hop-on-hop-off and also a night trip.