Miniature donkeys, flying saucers, and a "rocket space ship to the moon," among many more crazy ideas.
BoingBoing snagged a rare copy of Walt Disney's original--and completely insane--proposal for Disneyland. Some of the ideas in the proposal can be traced, directly or indirectly, to the eventual park; Tomorrowland made it into the final version, and Disney's "Liliputian Land," where 9-inch-tall robots talk to guests, is a clear predecessor to the "It's a Small World" ride.