Share pictures and tell us about your favourite moments in a game. It doesn't have to actually be a part that you love, it could just be that something funny happend while you played it, or perhaps pure nostalgia.
Not going to explain mine because its all over the web :D, but ill provide some pretty picz.
Uncharted 3's "Rub' Al-Khali"
The jaw dropping visuals, animation, pace change, art form (poem in particular) and the overall emotion feel I had during this chapter was just unbeliveable.