I have been to Disney World more than 35 times, and five times in the last eighteen months (going again in December!!). Living in Georgia, I am afforded the opportunity to visit frequently due to the relative proximity. Plus, it doesn't hurt that my wife is a Disney Fanatic and would rather go to the WDW Resort than an All-inclusive Mexican/Carribean resort... One thing that I like to do with each trip that I take is try to find/see/learn something that I haven't experienced before. I realize that this is a very relative thing, however I would argue that no one person, regardless of the number of times that they have visited WDW, can truly say that they have experienced everything there is to experience. Read Disney historical books or do background investigating on certain attractions, buildings, people, etc... There is a plethora of knowledge and so many sight gags and simple nuances in the Magic Kingdom alone that if you tried to take them all in on one trip it would blow your mind! This goes for the other parks, as well. Read or research the basis for the ideas surrounding the parks and the attractions. A lot of people see only the rides. They don't see how something as simple as themeing can make the walk "west" from the Haunted Mansion (1700's Hudson River Valley Mansion), through Liberty Square (late 1700's, early 1800's) passing by the Horseshoe (The Arch, or gateway to the west), into Frontierland and the wild west (and the latter 1800's) is not only a trip across the park but also a trip across America's History. The simple things are what makes this place so magical that regardless of how many times you go...something new will catch your eye, or something will happen that completely brings the magic of this place alive!