Few winter activities are as comforting as curling up by the fireplace in the company of family, friends, a great book or a hot beverage. Highly decorative but also utilitarian, fireplaces have long been popular design elements and centres of inviting spaces for gathering. Antique or modern, monumental or minimalist, their stylistic versatility lends itself to any type of room. Click ahead for fifteen fireplaces, in interiors ranging from cozy to sultry, styled by some of our favourite designers. –Stephanie Sporn