on a more serious note, i'm surprised no one has said 9/11 or at least someone who lives in or near new york (it'd make no major difference to me since i reside in the uk)
so much happened on that day, if had all the time on their hands, you could have experience a lifetimes of different dramas through the eyes of millions of new yorkers...
heck, you could actually go up and get hit by the planes if you are that bored.
there are billions of different ways to experience that day, positively, negatively or simply being neutral and being an observer.
given some of the opportunities you guys have, if the opportunity was seriously presented for me, that is most likely to be my answer.