Absolutely the best part of our stay in San Francisco. My sister and I traveled with my two teenage sons (18 & 16) and they agree. Best tour ever. Super-Tour-Guide Brian has such a remarkable amount of experience doing this kind of work: he’s relaxed, genuine, unhurried, unflappable — it’s second nature to him. He incorporates tidbits and stories and history and current events and all kinds of cool info. It seemed like we went everywhere and it was especially good since it was a minivan tour — limited guests and in this case, it was just us (the fifth seat was available only because the guest had a flight canceled). The entire four hours flew by and we were disappointed to part ways with Brian at the end. For the remainder of our visit, we continued to reference what we had learned on that tour. If you really want to get to know San Francisco, book ahead and don’t miss this experience.