For laundry room - Storage Solutions - Built-in shelves backed with beaded board give the room style and functionality. Corner shelves use every inch of space. Pretty baskets lined with white fabric hold basic bathroom supplies.
Master bathroom idea-Removing drywall and putting in a handy storage shelf. Another good idea if space is sort of tight and you want to display things instead of using a curio cabinet. You could add a door/doors if you wanted the items protected.