If you want to give your credit card some exercise, head out to 24 Hours Street, a popular place for shoppers in Curitiba Centro. Splash some more cash at Flower's Street, Curitiba Shopping Center, and Rua Quinze de Novembro.
You can spend an afternoon browsing the exhibits at Oscar Niemeyer Museum during your travels in Curitiba. Experience the area's theater scene and entertainment venues.