You'll want to browse the collections at Baikal Museum, Museum of the History of the East-Siberian Railway, and Geological 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 catch a show at Irkutsk Musical Theater, Irkutsk Folk Drama Theater, and Theater for Young Spectators.