You can spend an afternoon studying the exhibits at NKVD Memorial Museum of Political Repression in Tomsk. Wander the riverfront and gardens while you're in the area.
You can spend an afternoon exploring the galleries in Museum of Archaeology and Ethnography of Siberia at TSU during your trip to Tomsk. Experience the area's museums and theater scene.
You can spend an afternoon exploring the galleries in Tomsk History Museum during your travels in Tomsk. Stroll along the riverfront or experience the area's museums.