Manmade structures are a great way to bring sculptural elements into the garden. The challenge is to design structures that are comfortable, functional, and complement rather than dominate their setting. In the backyard, a curved bench snakes between two mature desert ironwood trees; new plantings of Aloe vera, Euphorbia rigida, and octopus agave help the structure blend into the surrounding landscape. Decked with cushions, it’s the perfect spot to gaze at the mountains’ ever-changing colors. » see room