Did you know that the cabin on your next (or last) cruise is a prefab? That in all likelihood, your cruise ship cabin was completely designed and built off-site -- and then trucked, intact, to a shipyard where it was slotted into place as if a piece of a jigsaw puzzle?

If you've ever cruised on Royal Caribbean's Radiance-, Voyager- or Freedom-class ships in anything but a huge suite, you've stayed in one of these prefabs. Same goes for a variety of other vessels, such as Costa Atlantica and Costa Mediter (more)