The Berkshires of Massachusetts have long been known as a winter sports paradise. Over the years, many of these ski areas faded away and are nearly forgotten. Forty-four ski areas arose from the 1930s to the 1970s. The Thunderbolt Ski Trail put the Berkshires on the map for challenging terrain. Major ski resorts like Brodie Mountain sparked the popularity of night skiing with lighted trails. All-inclusive resorts - like Oak n'...