10. Arizona – Route 89A (from Flagstaff To Sedona)
This is a 27-mile stretch of paved road that is arguably one of the most scenic asphalt surfaces in the country. Running from the tourist hotspot of Flagstaff through the majestic Oak Creek Canyon to the town of Sedona, this stretch of highway truly captures the essence of a road trip. A variety of trees and prismatic scenery await travelers throughout Oak Creek Canyon, as well as places such as the Red Rock-Secret Mountain Wilderness Region.