You might want to spend some time browsing the exhibits at K. Timiryazev State Biological Museum, Dostoevsky Museum, or Museum of Decorative & Folk Art. VTB Arena, Cathedral of the Immaculate Conception, and Lenkom Theatre are monuments to see when you're exploring the area around Megasport Arena. You can watch performances at Tik Tak Theater, Central Academic Theatre of the Russian Army, and The Man Theater if you're interested in local theater.