Celebrate cooler weather, changing leaves and the harvest season at one of America's fall festivals. The autumn doesn't merely mean Halloween happenings; this time of year is also ripe for colorful festivals, focused on everything from apples to oysters, German traditions to New England's culinary favorite, Maine lobster. Celebrate autumn's onset with food and drink fests, brew fests and more. Here, we've selected the best U.S. fall festivals.