What began in 1943 as a mail-order sales business in a tiny Swedish town has become the world's largest furniture company. IKEA sells a bewildering $28 billion in furniture each year, operating 351 stores in 43 countries. We've all visited enough times—towering shopping cart in tow—to think we get the gist. The flat-packed furniture. The crazy affordable prices. The meatballs. But the truth is, there is so much more to learn about this international megastore. Read on below: You'll be surprised.