Neat idea for an outdoor tub. I don't think I really want to bathe outdoors (living as close to my neighbors as I do), but I can see using an old tin tub as an outdoor water feature in the backyard. This is at the Magnolia Pearl Ranch in Texas.
Mini Lotus Water Lily Terrarium - A tiny bright pink Lotus with little lilypads, encased in a tall and round recycled glass terrarium. The lotus is 'floating' atop faux water (resin) growing from a bed of dark & swampy polished stones.