Whether for a newborn, toddler, or teenager, the rooms shown here enrich the experience of childhood while inspiring with their imaginative design. Showcasing work by top-notch designers, including Kelly Wearstler, Charlotte Moss, Alessandra Branca, Amanda Nisbet, and Thomas Jayne, among many others, the rooms offer a diversity of styles, from traditional to modern, formal to whimsical. Whether in apartments, houses, or country homes, for a single child or for several children, each creates a vision of childhood at its best. In addition to bedrooms, children's spaces devoted specifically to work or play areas illustrate clever solutions to typical design problems.