Boeing Everett plant
The complex is recognized by the Guinness Book of World Records as the largest building in the world by volume. The building has grown over the years to enclose 472 million cubic feet of space (13.3 million cubic meters). While you could fit 75 NFL football fields, 911 NBA basketball courts, or a few billion pop cans into Boeing's Everett plant, it's actually filled with something more practical--wide-body planes (the 747, 767 and 777). The building covers more land than the public areas at Disneyland in Anaheim, CA. The factory building serves as the canvas for the largest mural in the world.