United States House of Representatives | White House | John F. Kennedy | Pope John Paul II | Elton John | House of Lords | John | John Lennon | House of Representatives | John Wayne | House | John McCain | House of Commons of the United Kingdom | John Kerry | John Cage | Royal Opera House | Massachusetts House of Representatives | Olivia Newton-John | John Williams | John Peel | John Adams | Florida House of Representatives | John Steinbeck | John Travolta | John Milton | John Zorn | Speaker of the United States House of Representatives | John Marshall | John Howard | Sydney Opera House |
In terms of individually listed National Historic Landmarks and other Registered Historic Places, the original area includes the Maryland Statehouse and Hammond-Harwood House, the increase includes Artisan's House, Brice House, John Callahan House, and Chase-Lloyd House.