>> for those of you are a big fan of harry potter, you still can get a lot out of this exhibition because it does explore ideas relating to early magic, to early science and belief. >> reporter: an 800 bc cauldron retrieved, witches, and chinese altar bones thousands of years old or a 15th century tombstone of an alchemist who supposely discovered immortality. >> and the imagery telling you how to make the stone, people were working on this for centuries trying to create what is the elixir of eternal life. >> reporter: perhaps it's no accident that it's a short walk