Originally posted by tim5055
You have already been give great responses to your question, but I felt I had to throw in my $ .02.
Your question is common among folks who have been to places such as Cedar Point, one of the Busch Gardens parks or one of the Paramount parks but not WDW.
Most amusement parks are measured in acres, WDW is actually measured in square miles (47 square miles to be exact) In Disney publications I have read they describe themselves as "Located on a piece of land twice the size of Manhattan" or anothers description I read was "teh size of San Francisco". It is huge. There is really no way to compare it to any other amusement park.
Fort Wilderness is just one of the many on property resort accommodations there and 4 parks (Magic Kingdom, Disney/MGM Studios, EPCOT, and the Animal Kingdom). Add to that Pleasure Island, the East Side, the Disney Marketplace, water parks and so many things I can't even think of right now.