For years, the Boeing 747 appeared to be heading toward a quiet and predictable retirement, with airlines around the world rapidly replacing the iconic quadjet with newer twin-engine aircraft that burned less fuel and required fewer crew members to operate on long-haul routes. So in this video, we take a look at how retired Boeing 747s unexpectedly became some of the most sought-after freighters in America, why cargo airlines began pulling aircraft back out of desert storage, and why the legendary jumbo jet may still have a long future ahead of it despite the end of its passenger career.