You might want to spend some time browsing the exhibits at Omsk District Museum of Visual Arts, Omsk Museum of Military Glory, or Omsk State Dostoevsky Literary Museum. While you're exploring, swing by Batushkin Mansion, Municipal Museum of Theatrical Arts, and Tara gates to learn a bit about the area. You can catch a show at Omsk State Drama Theatre, Studio Theater, and Omsk Theatre of Young Spectator.