Ceilings are an often overlooked element of interior design. Sometimes referred to as the "fifth wall," the ceiling offers a wide-open expanse, a tempting blank canvas onto which a homeowner might paint a bold color, a soft hue, or even a stenciled pattern. Here are 11 rooms where ceilings are an integral part of the overall home design. We hope they inspire you to gaze up at your own ceilings and unleash their design potential.