You might want to spend some time browsing the exhibits at Museum of Industrial History of Petrozavodsk, Republican Museum of Fine Arts, or Polar Odyssey Maritime Museum. You can check out the local talent at Petrozavodsk State Puppet Theater, National Theater of Karelia, and Petrozavodsk Drama Theatre. If you want to see more of the surrounding area, you can plan a visit to Lenin Square and Monument to Peter the Great.