Placing empty glass bottles (wine bottles, antique bottles, colorful bottles) in the garden as a way to trap evil spirits is a Southern tradition. These days, a bottle tree is also a way to remember a special celebration or add sparkling color to a quiet spot in the garden. See our Bottle Tree, Bottle Bush, and Colorful Bottles at gardeners.com.
DIY project du jour: Make a wind chime from bottle caps. Materials: An old tin/can/colander for the top, bottle caps, wire (or jump rings), a hammer, an awl, and pliers. (via Bottle Cap Chime, from Kelli Nina Perkins’s EphemeralAlchemy blog)