In this episode of Wow, I Never Knew That, it's one of the world's most famous train stations. GRAND CENTRAL TERMINAL. We'll take you on a trip to reveal its many fascinating secrets. And while we're on the subject of travel, we'll tell you where you can see a PLANE flying over a CAR, driving over a TRAIN rolling over a BOAT all in the SAME place. Plus, what inspired the invention of the CORKSCREW? And if they are cleaned without water, how do clothes get spotless when they are DRY CLEANED? Plus, how cats land on their feet after falling.