A fireplace instantly gives character, warmth, and focus to a room. This huge collection contains designs that showcase at least one fireplace. Some of these plans go far beyond your basic fireplace by calling for two-sided or see-through models that add panache to two rooms. Another great option: outdoor fireplaces heat up lanais for multi-season living. Building for upscale buyers? A fireplace in the master suite (whether in the bedroom or the bath) conveys luxury and coziness.