Architecture of Washington DC See Also 1792Architecture of Washington DCJames Diamond Random Building 1866 – Dome of the U.S. Capitol, Washington D.C. 1792 – Design for Congress House, Washington DC Home / Buildings / Architecture of USA / Architecture of Washington DC / 1792 – Design for Congress House, Washington DC Architect: James Diamond Proposal for a Congress House by James Diamond, 1792. Share this:TwitterFacebookMastodonRedditPrint Related Posts 1792 Architecture of Washington DC James Diamond Related Posts Latest Additions 1817 – Market House, Kildare, Co. Kildare 1822 – Court House, Caledon, Co. Tyrone 1968 – Urban Motorway Proposal, Cork 1830 – Market House, Newbliss, Co. Monaghan