“We took the Hop-On Hop-Off bus tour in San Francisco (2-day pass) yesterday and had a disappointing experience. We waited over 90 minutes for the next bus, and no one answered the contact number provided in the confirmation email. As international visitors, this was very inconvenient, and we had to call Viator directly to find…”

“The meeting place employee was very helpful in guiding us to the right place for departure. Our first driver played very loud music in between his narration which was also added lots of personal comments in a loud voice. In contrast, the second driver played the recorded narration. Overall, the tour gave a succinct highlight…”