You might want to spend some time browsing the exhibits at Omsk State History Museum, Omsk Museum of Military Glory, or Omsk Museum Kondrati Belova. 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 Puppet Theater, Omsk State Drama Theatre, and Omsk State Music Theatre.