Australia is one of those places that doesn't come to mind when thinking of Ski Resorts. But it has some absolutely amazing ones that are huge by southern hemisphere standard.
Canada is a world-leading Ski Resort destination. It has some of the biggest and best Ski Resorts in the world with amazing snow and world-class facilities.
Possibly the best country in all of South America for a winter vacation. Chile has some fantastic Ski Resorts and incredible snow.