Ever since JetBlue advertised their All You Can Fly offer, I've been obsessed with thinking about what places I'd want to visit if I a) had $600 to spend on a month-long pass, and b) had the time to travel to several different places in a one-month span.  Neither of those things is true, but a girl can dream, right?

1. New York City

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Although it's true that the last time I flew JetBlue to NYC, they cancelled my return flight and called me to tell me I could either fly out the next day or try to...