Migration of Grey Whales (seasonal North & South)

http://www.oceanicsociety.org/graywhales

Berlin & Beyond Film Fest (New Films from Germany, Austria & Switzerland)

http://www.berlinandbeyond.com/

San Francisco Film Noir Festival

http://www.noircity.com/noircity.html

The San Francisco Natural History Series

http://sfnhs.wordpress.com/

Critical Mass Bike Ride (begins at east end of Market St on the last Friday of the month at about 6pm)

http://critical-mass.info/