This Gargantuan Plane Was Almost The Post-WWII Airbus A380

Everyone loves big planes. The bigger they are the more interesting they become. Famed mammoths like the Hughes HK-1 "Hercules," otherwise known as the "Spruce Goose," and Antonov's gigantic An-225 "Dream" conjure up feelings that man has somehow cheated physics by creating such flying hulks.