You might want to spend some time browsing the exhibits at Anna Akhmatova Museum at the Fountain House, Faberge Museum, or Cruiser Aurora. Tauride Palace, Feodorovskoy Cathedral, and Church of the Holy Righteous Simeon and Anna the Prophetess are notable landmarks to explore if you're in the area. You can watch performances at Leningrad Center, Bolshoi Saint Petersburg State Circus, and St. Petersburg Comedy Theatre Akimov if you're interested in local theater.