You might want to spend some time browsing the exhibits at V.V. Barsova Dacha Museum, Nikolai Ostrovsky Literature Memorial Museum, or Sochi Maritime Terminal. Stalin's Villa, N. Ostrovskiy Literary Memorial Museum, and Museum of Sochi Sport Honour are well-known local landmarks worth a visit. You can watch performances at Winter Theatre, Summer Theater, and Hall of Organ and Chamber Music if you're interested in local theater.