While some may wish to escape the cold at this time of year, others like to embrace it. Here are some best places to visit in winter that become even more so once winter arrives.  Whitefish, Montana, USA  When you really want to get away from it all, this little ski village is ideal. There's lots to see and see on Big Mountain, which is home to lively stores and a ski resort. You can see some magnificent views of the mountain reflected in their state lake from the correct vantage point. But it's their annual winter festival, which incorporates...