Lewis and Clark Visitor Centers-Trail HeadquartersThe Lewis and Clark National Historic Trail is operated by the National Park Service. It extends over 3,700 miles, and includes over one hundred sites from Illinois to the Pacific Coast. You can visit the Trail headquarters in Omaha, Nebraska for directions to specific sites or locations along the Trail. You can also visit their website to obtain similar information. At the Trail Headquarters itself there is a visitor center, exhibits, and a bookstore. |