When you look back on the best times of your life, vacations are likely to come to mind -- whether family trips to Walt Disney World as a child, scuba diving adventures with friends, or romantic Caribbean escapes with your spouse. But why is it that vacations hold so much meaning? Why do we have a tendency to say "I need a vacation" in the first place? It's simple: vacations help us escape reality. They offer welcome respite from the daily grind, which, for most people, starts with getting up for work and ends with going to sleep to get up for work. In other words, vacations break a pattern of mundaneness in our life, even if only for a couple of days. Beyond that, vacations create memories, some of which remain etched in our minds and hearts for the rest of our lives. Like eating something new for the first time or entering into a new relationship, visiting a new destination can be very exciting. For example, to behold the Grand Canyon or Statue of Liberty fo...