Fall foliage in USA peaks at different times by region. New England (late September - mid October): Vermont (Stowe, Manchester), New Hampshire (White Mountains, Kancamagus Highway), Maine (Acadia NP). Best activities: covered bridges, leaf-peeping drives, apple picking, fall festivals. Smoky Mountains (mid October - early November): Tennessee/NC border, Cades Cove loop, Blue Ridge Parkway 469 miles of scenic byway. Colorado (mid-late September): aspen groves around Aspen, Crested Butte, Steamboat Springs — golden aspens against red rocks. Other: Catskills NY, Hudson Valley NY (October), Door County WI (October), Boise ID Greenbelt (October), Northern California redwood country. Tip: track real-time peak via SmokyMountains.com leaf map and weather.com fall foliage forecast.