Carpenter's Hall - Home of the first Continental Congress
Row houses - there was a plaque (read in Neil's honor) that said that while all row homes look like exact duplicated up and down a block resident's showed their individuality by using different window and door architecture.
Bishop White House, 1786
Bishop White House, 1786
William McIlvaine House, 1793
Todd House. After Mrs. Dolley Todd was widowed she married James Madison and eventually became First Lady. Now I've visited two of her homes - I saw Montpelier last fall.