Tree Distribution in the continental United States, 2011.
Map by Robert Simon for the NASA Earth Observatory, based on data compiled by Joseph Kellndorfer and Wayne Walker of the Woods Hole Research Center, in collaboration with the U.S. Forest Service and the U.S. Geological Survey.
Bonus Ogden Nash:
I think that I will never see / A billboard lovely as a tree. / Indeed, unless the billboards fall / I’ll never see a tree at all.
[From Song of the Open Road, 1941]