Looking for an out-of-the-ordinary water feature? If you don't have a slope for a waterfall and a fountain won't do, consider a 'rain shower' structure like this. This contemporary design would work well in a high-tech or zen garden.
Vertical gardening takes up less space and is very flexible as to location. Consider this for an apartment balcony. It is a herb garden, planted in old javex bottles, with an irrigation system built in from rain water collection. For a herb garden!