You can learn a lot of information from taking a tour of a medical institution. Check to see if Portuguese Beneficent Hospital of Sao Paulo is open to visitors while you are in town.
This Bela Vista health care institution is an interesting spot to begin your day of sightseeing. There's lots to explore in the area, such as Paulista Museum, Municipal Theatre of São Paulo and Ibirapuera Park. Take your time at Portuguese Beneficent Hospital of Sao Paulo before hitting up these other fine attractions.