Skyline Sightseeing is the world’s leading brand, operating in 100 cities and 6 continents. It is the largest sightseeing operator in San Francisco that offers Hop-On Hop-Off double-decker bus tours of the most popular attractions in and around San Francisco. In the city itself, Skyline Sightseeing offers four different open-top routes with live narration. Join the tour to see all main landmarks of the city. With unlimited Hop-On Hop-Off use and frequent bus departures, you can explore San Francisco at your own pace and simply join the next bus when you are ready to go to the next location. Outside of San Francisco, tours include Muir Woods, Wine Country, Monterey/Carmel and Yosemite National Park.