Grandma takes her five grandchildren into the city. They ride the subway, BART into the downtown, and then ride Cable Cars, walk a Labyrinth, go to the Cable Car Museum, walk through Chinatown, eat pizza in North Beach, climb up to Coit Tower and down to Pier 39. At Fisherman's Wharf they see the Sea Lions, Alcatraz, and the Aquarium before grabbing a cab to go by Lombard St., the Painted Ladies, and the Presidio, wrapping up the day by walking...