Constitution Avenue used to be a canal, and two creeks used to flow through central DC. David Ramos produced a series of maps showing where they went.

Imagine what a different city Washington might be today if these had been kept in place.

Tagged: dc, maps

Dan Malouff is a transportation planner for Arlington and professor of geography at George Washington University, but blogs to express personal views. He has a degree in urban planning from the University of Colorado and lives in northeast DC. He runs BeyondDC and contributes to the Washington Post .