You'll want to browse the collections at A.L. Chizhevsky House Museum, Tsiolkovsky Memorial 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 Kaluga XXI Century and Rio Shopping Center might be just the ticket for souvenir shopping.