You'll want to browse the collections at Baikal Museum, Museum of the History of the East-Siberian Railway, and Volkonsky House Museum. Irkutsk Regional Memorial Decembrists Museum, Trubetskoy House, Roman Catholic Parish of the Assumption of the Virgin, and Irkutsk Academic Drama Theater are monuments to see when you're exploring the area around Kirov Square. You can watch performances at Okhlopkov Drama Theater, Irkutsk Musical Theater, and Irkutsk Folk Drama Theater if you're interested in local theater.