Americans have long been fascinated by the role of the butler, as the "Downton Abbey" craze shows. But forget fiction -- the real-life butler is back. Around the world, the newly rich getting richer, and they're getting butlers. From where? How do you become a butler? To find out, "20/20" sent me to the Netherlands. I was given directions to a manor house in Valkenburg that houses the International Butler Academy.