You'll want to browse the collections at Bread Museum, Russian State Museum of the Arctic and Antarctic, and Anna Akhmatova Museum at the Fountain House. Sights like Saint Alexander Nevsky Monastery, Smolny Institute, and Anichkov Palace are must-sees while exploring the area. You can watch performances at Oktyabrskiy Big Concert Hall, Alexandrinsky Theatre, and Mariinsky Theatre if you're interested in local theater.