You'll want to browse the collections at Cheboksary Museum, Museum of V.I. Chapaev, and Literature Museum. Sights like Chuvash Ivanov Academic Drama Theater and Sespel Museum highlight some of the local culture. You can watch performances at Chuvash Puppet Theatre, Chuvash State Youth Theater of Michael Sespel, and Chuvash State Opera and Ballet Theater if you're interested in local theater.