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.
Great idea for a patio in a backyard with limited shade and space to garden. A covered patio with windowbox container garden as a creative use of backyard space and landscaping idea for vertical space.