September and October are almost here, bringing with them famously brilliant foliage. But autumn’s arrival also means there are lots of seasonal traditions to enjoy: apple picking, cider tasting, and pumpkin carving; grape harvests and Oktoberfest; salmon runs and bird migrations; and, of course, some spooky tricks and tasty treats. Here are the 10 best ports—both ocean and river—to visit for fun fall activities.