Best enjoyed from mid-to-late October, the 155-mile loop travels through countryside known for agriculture, antiques and Amish communities.Best Enjoyed: Mid to Late OctoberApproximate Length: 155 milesSoybeans, corn, wheat as well as beef cattle, dairy cows and other livestock occupy the land that woolly mammoth roamed, Native Americans lived off, fur trappers traversed, and, beginning in the late