By mood? We're always in a good mood when we backpack — how could we not be? Rather, by "mood" in this instant we're referring to the kind of backpack trip we'd like to take, or that we have time for. In short, the type of trip we're in the mood for. Thus, we break down our favorite trips by category. They are:Best Weekend TripBest Winter TripBest Basecamp TripBest Wilderness TripBest Avoid-the-Masses TripBest Trip, PeriodYou can learn more about each trip and find a link with details on taki...