LEWIS & CLARK 98 MILES | 1 HOUR, 45 MIN. The Route: U.S. 75 North between South Sioux City and Omaha Follow in the footsteps of the famous explorers. Through bountiful cropland and beautifully wooded bluffs framing the Missouri River, you’ll discover Native American culture and bustling Omaha, home to Omaha’s Henry Doorly Zoo and Aquarium. RANDY MAYS BOyER CHUTE NATIONAL WILDLIFE REFUGE 56 VisitNebraska.com/scenic-byways