You might want to spend some time browsing the exhibits at Alexander Arbuzov and Boris Arbuzov Memorial House, V.I. Lenin House Museum or Anatomical Museum. While you're exploring, swing by Bauman Street, National Museum of the Republic of Tatarstan and Suyumbike Tower to learn a bit about the area. You can watch performances at Tatar State Academic Opera and Ballet Theatre, Kazan State Circus and Kazan State Theater of Young Spectators if you're interested in local theatre.