You might want to spend some time browsing the exhibits at Russian Museum, Faberge Museum, or Russian Vodka Museum. Great Gostiny Dvor, Alexandrinsky Theatre, and Kazan Cathedral are landmarks that you won't want to miss. You can watch performances at Bolshoi Saint Petersburg State Circus, Arkady Raykin Variety Theater, and Tovstonogov Bolshoi Drama Theater if you're interested in local theater.