Natchez Trace and Parkway along the Mississippi
or
Underground Railroad Bicycle Route Passes Through Alabama
Southwest Alabama — A new, long-distance bicycle route following the historic path of the Underground Railroad has been completed and passes through western Alabama. Created after three years of research and planning byAdventure Cycling Association, the largest bicycling organization in North America, the Underground Railroad Bicycle Route travels 2,058 miles from Mobile, Alabama, to Owen Sound, Ontario. (map © Copyright 1997-2007 Adventure Cycling Association)
More, here:
http://huntsville.about.com/b/2007/0...gh-alabama.htm