You might want to spend some time browsing the exhibits at Museum of the History of the East-Siberian Railway, Baikal Museum, or Sukachev Fine Arts Museum. Explore landmarks like Volkonsky House Museum, Irkutsk Regional Memorial Decembrists Museum, Volkonsky House, and Irkutsk Academic Drama Theater. You can watch performances at Okhlopkov Drama Theater, Cheremkhovo Drama Theater, and Theater for Young Spectators if you're interested in local theater.