You'll want to browse the collections at State Museum of Arts of the Republic of Tatarstan, National Museum of the Republic of Tatarstan, and V.I. Lenin House Museum. While you're exploring, swing by Bauman Street, Suyumbike Tower, and House Ushkova to learn a bit about the area. You can catch a show at Tatar State Academic Opera and Ballet Theatre, Kazan Academic Russian Bolshoi Drama Theatre, and Kazan State Circus.