Biking the Great Allegheny Passage and C&O Canal from Pittsburgh to D.C.
B' Spokes nice write up and photo gallery:
<a href="http://www.washingtonpost.com/lifestyle/travel/biking-the-great-allegheny-passage-and-cando-canal-from-pittsburgh-to-dc/2012/02/28/gIQAx0pP1R_story.html">http://www.washingtonpost.com/lifestyle/travel/biking-the-great-allegheny-passage-and-cando-canal-from-pittsburgh-to-dc/2012/02/28/gIQAx0pP1R_story.html</a>;