Scenic trails that showcase the best of America

A seemingly endless series of storms turned much of the U.S. into a nation of shut-ins this past winter, so it comes as more than just a breath of fresh air that the mercury is beginning to rise above freezing: it's an invitation to dig those hiking boots out of the closet and hit the trails.
For hundreds of people this time of year, that trail begins in Springer Mountain, Ga., and ends some 2,180 miles later on the top of Mount Katahdin in Maine.  Go there...