Monterey's famous Lone Cypress is one of the most photographed trees in the United States, and has become emblematic of the California Coast. Its image is also copyrighted, which brings up interesting questions about the legal images of nature.
Bavarian artist Nils-Udo is known for his site-specific installations built in situ with local, natural materials—leaves, berries, hay, bamboo, flowers. His signature form is the Nest, which he has installed in locations around the world.
David Trubridge, an industrial designer, writes about his unusual Dream Space sculpture. Its use is only limited by your imagination—it can serve as a trellis for vines, an outoor sleeping tent, or as a way to delineate a seating area in the garden.