The adults-only, Naviva, a Four Seasons Resort in Punta Mita, which opened last year with 15 safari-style tents on 19.5 hectares, is one of many new all-inclusive properties refreshing the model.

Treble Cone sees the highest annual snowfall of any resort in New Zealand with around 200 inches per season. The mountain's terrain takes advantage of all that snow and more than 2,200 feet of ...