I put it in the EFCOT center area of the park I'm building. Although I'm not sure if I'll leave it if future world or more it to world showcase. I put the Mall-O-Rail station out Front, Shopping on the sides with wailing wall to simulate the leave a legacy walls in front of the big ball. Surrounding the big ball are all the "futuristic" building like the Neducation center. Further back I have World Showcase with the Budist Temple, and oldtimey looking building.
To the side, I have Hotels for the park.