We talked before about how to turn one of these closets into a great, hide-able workspace, but running across this image from Southern Living, we were surprised to see it turned into a tiny powder room. So if you're able to free up a closet (by minimizing what you have to store, ahem) you might be able to gain that half bath you've always dreamed of:
*Much darker than others I've posted, but this could look really cute in the basement, coordinated with the home theater. The mirror and double sconces remind me of the [original] theater of my hometown, which, last I was there 10 years ago, I believe was still the same!!