Nifty Niches Squeeze out valuable storage without the cost of a major remodel by turning wasted space between wall studs into handy shelving units. The unused area above this tub is fitted with simple glass shelves, providing ample room for towels and accessories. Near the sink, a similar space houses small items such as lotions.
PVC Pipe Toy Storage. A creative way to store all those Hot Wheels cars. It make an artsy design on the wall that acts not only as storage but some stylish texture as well. http://hative.com/diy-pvc-pipe-storage-ideas/