Wisconsin 35: Prescott to Winona. Love this road for riding after work. Beautiful scenery riding along the Mississippi River and has some great twisties. There are a ton of county roads to take side trips.
US Highway 61: Redwing to Winona: Another road with amazing scenery along the Mississippi. Part of the Great River Road.
County Road O: Diamond Bluff, WI to Prescott,WI: Small, twisty road that runs along a small river. MN 95: Stillwater to Taylors Falls: Along the St. Croix River bluffs. Excellent scenery.
US 61, Duluth, MN to Grand Portage, MN: Scenic ride along Lake Superior shore. Waterfalls abound! Continue on to Thunder Bay, Ontario!
Winona, MN to Houston, MN via MN 43 & MN 76: absolutely beautiful ride, up the bluff from Winona then drops down through a gorgeous valley into Money Creek, MN, then on to Houston.
Wisconsin Hwy 33: Through Wildcat Mountain State Park
Chief Joseph Scenic Highway, Wyoming. Beautiful ride!
Pig Trail Scenic Byway, Arkansas. Forested, twisty, rugged Ozarks. Great rally there in September: Bikes, Blues, & BBQ.
Tail of the Dragon, TN/NC Border: 318 curves in 11 miles through forest mountains.