You'll want to browse the collections at Russian Museum, Faberge Museum, and Museum of the Defense and Siege of Leningrad. Some landmarks that you won't want to miss include First Engineer Bridge, Anichkov Palace, and Beloselsky-Belozersky Palace. You can watch performances at St. Petersburg Philharmonia, Alexandrinsky Theatre, and Oktyabrskiy Big Concert Hall if you're interested in local theater.