We explain how sugar and acidity make dessert wines like Sauternes and Barsac some of the most ageworthy bottles on earth.

Chill your bottle to a crisp 48 degrees Fahrenheit, and just pour yourself around 2.5–3 oz. into a small dessert wine glass.

Despite its rich heritage, the sweet wine has struggled to find its niche in the global market. Now a number of micro-wineries in this east Mediterranean island nation are reviving traditional ...