Leaf peeping is sort of an odd phrase, we know. And don’t worry, we’re going to try to use it sparingly in these pages. But when the greens fade to reds and oranges and yellows, we all become peepers to some degree. Here’s the thing, though: Don’t be just a passive peeper. We are within hours of some of the most beautiful fall foliage on the East Coast. Here’s your guide to immersing yourself in it, whether you head north to the Green Mountains of Vermont, south to the Alleghenies, or somewhere in-between.