When you've finished designing a room, there is one finishing touch we simply can't get past, and that's scent. This is the final piece of the interior puzzle. Why? Because scent evokes mood, from joy to romance or a zen-like ambiance. Its unique essence conveys personality and conjures up memories like nothing else does. While there are many ways you can emit scent at home, we prefer candles. They provide light and perfume to any space, creating an absolutely dreamy setting. But you can't use just any old candle—that wouldn't make sense. Scroll down for a few of our favorites.