Check this out. It’s a proposed design for a second mall, east of the Capitol Building. Obviously, this was never built, but imagine how different things would be. The design below was done as part of the Beaux-Arts Institute of Design competition in 1930 for a proposed mall down East Capitol Street. John Louis Rochon Grand of Catholic University did this one.
Proposed drawing for Independence Square, Washington Memorial and grounds from model. Drawing for Independence Square III