The Luau at The Poly, now "Spirit of Aloha" was originally held outside on the beach.
The "cars" that appear to be driving through London from your overhead view in Peter Pan's Flight are actually just dots of glow in the dark paint on moving bicycle chains.
On Splash Mountain, the only character from "Song of the South" that doesn't appear is Uncle Remus.
The spitting camels on Magic Carpets of Aladdin were originally a part of a parade float in DHS.