The transformation of Monastero Santa Rosa—a former monastery built in 1681 in the town of Conca dei Marini—into a resort worthy of this year’s Best of the Best honor took more than a decade. Here, we examine some of the property’s colorful history and its metamorphosis into a modern luxury resort. Rooms with a View Carefully planned by the nuns who called the hillside property home in the 17th and 18th centuries, Monastero’s L-shaped structure allows for every guest room in the hotel, which opened in May 20…