Golden Gate Bridge from Hawk Hill, photo by Harold Davis. View this image larger.

To get to the World War 2 era battlements on Hawk Hill, high on the Marin Headlands beside the Golden Gate, you first pass through an endless tunnel. Coming out on top is like a rebirth, and in the crisp winter air the Golden Gate Bridge and city lights look magical. I like the way airplanes draw lines in the sky, almost like fireworks, in this time exposure.