Circus Liquor is a regular San Fernando Valley liquor store that is set apart by the 32-foot-tall clown who watches over the adjacent intersection with a decidedly creepy expression on his face. Perhaps it’s the two crosses he has for eyes or his fixed, maniacal grin, but he seems to be enticing you to buy some booze and get up to no good. Now a Los Angeles landmark, this neon sign dates from the 1960s and has become a local landmark. The clown, which is nicknamed “Valley,” has been featured…