Via Kottke is this PDF listing the 100 best ending lines from novels.
Your mileage may very; mine does. They left out this:
He fell in October, 1918, on a day that was so quiet and still on the whole front, that the army report confined itself to the single sentence: All quiet on the Western Front.
He had fallen forward and lay on the earth as though sleeping. Turning him over one saw that he could not have suffered long; his face had an expression of calm, as though almost glad the end had come.
Erich Maria Remarque, All Quiet on the Western Front (1928)
I read that book in high school, and all of a sudden I want to read it again.
That was a great book. If you’re into WW I books, I have a bunch to recommend.