Teenage life is tough. You're at the mercy of parents, teachers, and siblings, all of whom insist on continuing to treat you like a kid and refuse to leave you alone. So what do you do when it all gets to be too much? You retreat to your room (and maybe slam the door).

Even in our era of Snapchat and hoverboards, bedrooms remain a key part of teenage life, one of the only areas where a teen can exert control and find some privacy. And while these separate bedrooms only became commonplace after World War II, the idea of the teen bedroom has been around for a long time. With Get...