30 Magical Secrets From Universal's Harry Potter Diagon Alley

21. Exchange Your Dollars For Wizarding Money

Head into the Gringotts Money Exchange and you can exchange your money for Wizard Bank Notes. You can spend this wizard currency not just in Diagon Alley but the rest of the park also.

20. Chat With A Goblin

Even if you don't want to exchange your money, take a visit to the Gringotts Money Exchange away and ask the Goblin inside a question. Perhaps ask him about the dragon on top of the bank, his age or the whereabouts of Harry Potter. Just don't call him a House-elf.