You might want to spend some time browsing the exhibits at Geological Museum, Baikal Museum, or Volkonsky House Museum. Explore landmarks like Irkutsk Academic Drama Theater, Roman Catholic Parish of the Assumption of the Virgin, and Irkutsk Regional Memorial Decembrists Museum, Trubetskoy House. You can watch performances at Irkutsk Musical Theater, Okhlopkov Drama Theater, and Cheremkhovo Drama Theater if you're interested in local theater.