Facts which you don’t know. The world is a strange, surprising place, in ways large and small, serious and trivial. Many times, things you may have assumed to be true (for years!) might be totally false. Other times, what you long believed to be a myth is actually fact. From an earthquake-proof cathedral that’s made almost entirely of cardboard to an ancient Egyptian mummy with a modern-day passport, this list of crazy-but-true facts is sure to challenge your preconceived notions about the world.