You'll want to browse the collections at Russian State Museum of the Arctic and Antarctic, Dostoyevsky Museum, and Faberge Museum. Anichkov Palace, Bryantsev Youth Theatre, and Alexandrinsky Theatre are notable landmarks to explore if you're in the area. You can watch performances at Oktyabrskiy Big Concert Hall, Mariinsky Theatre, and Tovstonogov Bolshoi Drama Theater if you're interested in local theater.