First off, let's establish this right up front: Lists like this are downright impossible to compile and should not be attempted.
Now, on with the list.
I did not include the White House, Capitol or major monuments — it's a given that they changed the city. I omitted the Metrorail system for the same reason.
Everything else was fair game, and the projects here are my opinion and mine only. I want to thank Rebecca Miller of the D.C. Preservation League and Martin Moeller of the National Building…
