Ride The Duck San Francisco A San Francisco Duck Tour is unlike any other. See the city of San Francisco on the water or along the streets. The tours are in an amphibious vehicle crafted from the WWII DUKW. The San Francisco Duck Tour offers a Quack-tacular ride that is unique to the city. Expect the ride of your life. Smiling and laughing are mandatory. When you see the bus you will ride in, you will readily see just how much fun you will have. Be sure to take pictures so your friends and family will believe you really took this wacky tour.