Sure, you could play "Twenty Questions" or the "Grocery Store" game, but when your father works for an airline, there's another fun way to pass the time and test your memory skills: take the Airport Code Quiz (answers at the end of the post, but no peeking allowed)! What cities are served by the following airports, identified here only by their codes? ATH , BKK , BNA , BWI , CAI, CCS , CDG , CEQ , DFW , DTW , DUB, EWR , FCO , GIG, HND , HNL , LAX, LGW , LIM , MCO , MOW, MUC , ORD , ORK , ORY , PTY , SAN, TLS , YYZ , ZRH I don't know when this first became a game we played, or why we ever stopped playing it, because it really was a lot of fun, and sometimes quite challenging. I just remember that I loved to be tested on the arcane knowledge of IATA Location Identifier codes—those three-letter codes that describe the world's airports, large and small, and that (in theory, anyway) ensure that your luggage arrives at its proper destination. I loved the oddn...