The Appalachian Trail is approximately 2200 miles long and spans the terrain of the Appalachian Mountains. It runs from Maine to Georgia, mostly through wilderness, and passing through some small towns.....I wish I had the fortitude to do this.
PG Trail, Rancho San Antonio Open Space Preserve, Los Altos, CA. Moffet Field, NASA Ames, and Lockheed in the middle left. Below that "sea of trees" is San Jose and Silicon Valley! http://www.openspace.org/default.asp