You might want to spend some time browsing the exhibits at Omsk Regional M.A. Vrubel Museum of Fine Arts, Omsk District Museum of Visual Arts, or Omsk State Dostoevsky Literary Museum. Omsk Fortress, Batushkin Mansion, and Municipal Museum of Theatrical Arts are notable landmarks to explore if you're in the area. You can check out the local talent at Omsk State Drama Theatre, Lenin Komsomol Young Spectator Theater, and Omsk State Puppet Theater.