
JKRowlings wrote most of the Potter books in Oporto. The people lining up for hours to go into this bookstore want to see the original design that influenced Rowling. It will cost you 10 euros to enter and see the winding steeps, the ornate bookshelves. There is also a fountain and plaza outside known for its ornate sculptures of griffins, another important fact in the Potter books. People can wait for hours.