You might want to spend some time browsing the exhibits at Russian Vodka Museum, Pushkin Flat-Museum, or Erarta Museum and Galleries of Contemporary Art. Admiralty Building, St. Isaac's Cathedral, and State Hermitage Museum are landmarks that you won't want to miss. You can watch performances at Mariinsky Theatre, Alexandrinsky Theatre, and Tovstonogov Bolshoi Drama Theater if you're interested in local theater.