By now, we're probably all too familiar with accent walls when it comes to paint. Whether you rent or own, it's an easy, low-investment way to make a statement, but not many of us think of applying that same principle — that is, the creation of a deliberate focal point in a room on only one wall — by using only decor. The more playful cousin of gallery walls, these 12 decoration-based accent/feature walls and vignettes will force you to think outside of the (paint) box and leave you with ple...