Photo of San Francisco seen through some rocks on Mount Davidson.

Photos of gray whales at Waddell Beach in California.

Updated 2015-11-21 13:26:

Updated 2015-11-23 15:50:

Photos of plaques in The Presidio of San Francisco.

Photo of downtown San Francisco seen through a crack in the rocks at Corona Heights Park.

My new hobby: finding photos of myself on Google Street View.

Updated 2016-08-04 17:57:

Updated 2018-01-07 10:40:

Andy Goldsworthy's Spire sculpture in the Presidio of San Francisco (before it was badly damaged by fire).

Photo of one of the many hiking trails on Mount Davidson in San Francisco.

Photo of a fresh planter of succulents as we adapt to the lack of water in San Francisco (and the western United States in general).

Highway 101 is moved from a bypass to the new Doyle Drive tunnel overnight.

Photo of the Lawrence 37-Inch Cyclotron, an early particle accelerator, at the Lawrence Hall of Science (University of Berkeley).