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.
The 16th Avenue Tiled Steps Project in San Francisco
Staircase to nowhere, Pismo Beach, California - Once giving access to the beach, the walkway that connected this staircase to the bluffs has long since rotted away. The 40 Most Breathtaking Abandoned Places In The World