In order to track down the toughest "Harry Potter" trivia questions, we put our own memory to the test on Scholastic's "Wizard's Challenge" - an online quiz with a wide range of difficulty.

If you consider yourself an expert on all things Harry Potter (including the really obscure stuff that only die-hard fans ...

Think you know everything about Harry Potter? Watch as we quiz visitors at Universal Studios' Harry Potter World with easy, medium, and hard questions. Can they conquer the trivia and win $20? Find ...