Sixty years ago, a catchy tune and a whimsical boat ride debuted at the 1964 World's Fair before moving to Disneyland in 1966. At a time when air travel was still a luxury, its miniature landscapes offered people a glimpse into the world. Americans saw the temples of Thailand and the carnivals of Brazil. "It's a Small World" wasn't just a boat ride; it was a portal for discovery.