The largest building in the world is an aircraft production factory
Flightbuddy - Interesting facts about aviation Aerial View of Everett Boeing; View from South to North; includes 777X Wing Building; Puget Sound; Sunny Day; Blue Skies; K66575 That's right, Boeing's Everett Factory was named by The Book of Guinness World Records as the largest building on the planet. Its volume exceeds that of any other building, at over 13,000,000 cubic metres. It's so big it even has its own weather system!