Airports can be boring. At many, the most exciting thing to do is wait in line for a coffee. But a few airports buck the trend and offer fascinating, fun, or relaxing options. So why not careen down a four-story indoor slide or take a brewery tour? Admire some of the world's most famous art or hit the golf course? Whether you are waiting out a long layover or have simply arrived at the airport with time to spare, these picks beat a large latte to-go any day.