Click to enlarge. The extant Olympic Auditorium appearing in Keaton’s Battling Butler and in the Three Stooges’ Punch Drunks (1934).
Keaton’s Battling Butler – A Knockout Finish to the SF Silent Film Festival
by John Bengtson "the great detective of silent film locations" New York Times
Chaplin-Keaton-Lloyd film locations (and more) 
