By Sarah Jean Callahan Pirates of the Caribbean has a big new rival. Disney World first opened in 1971. The resort is roughly 25,000 acres and it often seems like it’s a universe onto itself. It is considered the most visited resort in the entire world, but even a behemoth like Disney has competition. Of course, the Mouse House competes with Comcast’s (CMCSA) – Get Comcast Corporation Class A Common Stock Report Universal Studios, but that’s not the only major theme park in Central Florida. Roughly 40 miles beyond the Walt Disney (DIS) – Get The Walt Disney Company Report acreage in Florida, t…