@ SF Public Library Park Branch, 1833 Page Street. An exhibit of then and now photos providing a walk down memory lane of the Haight-Ashbury scene from 1967. Through December 7. sfpl.org

@ San Francisco History Center, Main Library, 100 Larkin Street. A close-up show-and-tell using 19th century books, manuscripts, broadsides, newspapers, letter sheets and photography to explore the background for Girls of the Golden West, a new opera premiering at San Francisco Opera on selected dates through December 10. sfpl.org and sfopera.com

From December 2, 5, 7 & 10 @ SF War Memorial Opera House, 301 Van Ness Girls of the Golden West brings the story of East Coast transplant Dame Shirley, whose letters chronicle life in the Gold Country camp. Additional characters include Ah Sing, a Chinese immigrant working as a prostitute; Ned Peters, a cowboy and […]

@ San Fransisco City Hall, 1 Dr. Carlton Goodlett Place, Rm 284. Supervisor Rafael Mandelman welcomes artist Jun Yang whose art is currently on display. 4-5pm. mandelmanstaff@sfgov.org

@ Downtown Redwood City. An all-day family friendly event, the celebration includes a parade, live entertainment including big band holiday tunes, carnival and train rides, snow, Santa Claus and more plus an evening tree lighting. 10am-8pm. hometownholidays.org 

@ Union Square, 170 O’Farrell Street.  SFSPCA’s pop-up adoption center inside Macy’s Holiday Windows. Daily 11am-1pm, 5-7pm through January 1. sfspca.org

@ ERA Art Bar & Lounge, 19 Grand Avenue Oakland. Meet, mingle, and dance, with special guest DJ Rockaway. Support those in need. 5-9pm. heygirlheyproductions.com