Architecture of Washington DC See Also 1792Architecture of Washington DCJames Diamond Random Building 1889 – Proposed Municipal Buildings, Washington DC 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 1891 – Ess-na-Larach Tea Rooms, Glenariff, Co. Antrim 1971 – Bethlehem Abbey, Portglenone, Co. Antrim 1880 – Magheramorne House, Co. Antrim 1883 – Runkerry House, Portballintrae, Co. Antrim