You can head to Turku Market Square, Skanssi Shopping Center, or Hansa Shopping Center to shop for the perfect souvenir. Turku is known for its museums, and you can check out cultural spots such as Turku Art Museum, Turku City Theatre, and Ett Hem Museum. Additionally, you might want to add Aboa Vetus and Ars Nova and Vartiovuori Observatory to your itinerary.