One of the first GoDCers, John, sent along an awesome old maps site a few days ago, appropriately named Old Maps Online. Poking around the site this past weekend (I was in a big map phase), I came across this gem from the Boston Public Library. Technically, not really a map … more a bird’s eye view of the greater Washington area, as seen from the north at the beginning of the Civil War.
You can see the original online here.