|A metal bottom carafe makes a nice Ivy Planter|
Pitchers: Use those carafes for pitchers for juice, water or martinis.
|Picture from Mosby Building Arts|
Fish bowl: while not having done this yet, I wouldn't rule it out! Probably make one out of an old blender first.
Vase- Just like a wine carafe, a coffee carafe of fresh flowers is a nice way to say have a great day in the morning with your breakfast!