Installations such as fountains, ponds, or small waterfalls can make a space feel calm and beautiful. Complimenting a space with water can take many forms, from the entry-level bird bath to the intermediate-level water table. And from there, you've got options: Free-standing fountains. Wall fountains. Tabletop fountains. Ponds. Streams. Puddles. Waterfalls. All of them can bring a certain kind of wildlife--and a certain kind of peace--into the space they inhabit.