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.
Minimalist IKEA Cabinet Hack, and lots of other ideas on hiding a litter box. Not just for the litter box but for a dog's or cat's pet bed, when company is over or just during the day, just shut the door and it won't have to be seen until bedtime.