See autumn’s splendor, sans national park crowds, in these forested getaways.A view of autumn foliage from Frankenstein Cliff in White Mountain National Forest.Credit: Craig Zerbe/Adobe StockAutumn brings exceptional colors—and many travelers—to national parks across the U.S. Yet national forests can dazzle leaf peepers just as well, and they often come with fewer crowds.The country has over 150 national forests across 40 states to choose from, …