You'll want to browse the collections at Tsiolkovsky Memorial House Museum, A.L. Chizhevsky House Museum, and Museum of Workmanship Architecture and Daily Life. You can catch a show at Demi Obninsk Experimental Theater, Kaluga Regional Theater for Young Spectators, and Kaluga State Drama Theatre. A trip to Rio Shopping Center and Kaluga XXI Century might be just the ticket for souvenir shopping.