#4 Rain, rain, go away.

Ever been to Epcot when it's raining? Ever notice that standing under Spaceship Earth you don't get dripped upon?

That's because during construction, Imagineers placed each of the 11,324 triangles that constitute Spaceship Earth 1 inch apart.  In between the triangles is a delicate collection system, that gathers rainwater which is then funneled into World Showcase Lagoon.

This system works out pretty well- it's good for the environment. And my hair.