Avenue Mosaic Steps in San Fransisco, The Sunset. A staircase designed by local artists and put together by more than 300 people from the neighborhood, these mosaic steps (right by Grand View Park) took two years (and lots of hallucinogens) to decorate.
My favorite Chinatown went in to go again. San Francisco Chinatown ~ "Established in the San Francisco's Chinatown is the oldest Chinatown in North America. It is also the largest Chinese Community outside of Asia.
25 Classic Restaurants Every San Franciscan Must Try