You'll want to browse the collections at Geological Museum, Museum of the History of the East-Siberian Railway, and Baikal Museum. Volkonsky House Museum, Irkutsk Regional Memorial Decembrists Museum, Trubetskoy House, and Irkutsk Academic Drama Theater are notable landmarks to explore if you're in the area. You can watch performances at Okhlopkov Drama Theater, Irkutsk Musical Theater, and Irkutsk Folk Drama Theater if you're interested in local theater.