Site with lots (I mean LOTS) of plans for build it yourself. This lady is very good at teaching women to use power tools. Lots of practical designs. Guess I'll have to ask for power tools for my birthday so I can build something!
Smart: a completely enclosed outdoor wash rack -- or wash stall really -- keeps a horse safe during bathtime. The solid walls also allow you to build in racks, hooks, and a hose hanger, safely outside of the horse's reach but well within yours.