Pop Quiz! From where do corks come?
Why, from the Cork Oak, of course. The Quercus suber is a native to southern Europe and northern Africa, and considered an environmently friendly industry as the bark is stripped off every nine-ten seasons for 175 years.
Sure, it's most common use is making stoppers for wine bottles, but peep this collection of art and design creations from cork, both stopper-shaped and otherwise.