Enjoy every part of the wine you drink, from cork to bottle. I'm a huge advocate of recycling wine bottles and corks. In fact, we reused several corks and bottles at my wedding as table number holders.
Hazelnuts glued together (using a lit to get an even circle) The result is a christmastree-ornament in the form of a wreath! ~I~ You could use chestnuts - and instead of glue - use needle and sisal-string.