 Louisiana Old State Capitol Baton Rouge, LA circa 1852 |
 St. Sophia Greek Orthodox Cathedral Washington, DC circa 1954 |
| |
 Main Auditor's Building Original Bureau of Engraving and Printing Washington, DC circa 1879 |
 U.S. Pension Building/National Building Museum Washington, DC circa 1887 |
| |
 U.S. Pension Building/National Building Museum Washington, DC circa 1887 |
 Old Town Alexandria City Hall Alexandria, Virginia circa 1873 |
| |
 Cold Harbor National Cemetery Wall Mechanicsville, Virginia circa 1866 |
 Woodlawn Plantation Mount Vernon, Virginia circa 1800 |
| |
 Smithsonian Institution's Renwick Gallery of Art Washington, DC circa 1859 |
 Old Post Office Building and Clock Tower Washington, DC circa 1899 |
| |
 National Savings and Trust Company Washington, DC circa 1865 |
 Old Post Office Pavilion Washington, DC circa 1899 |
| |
 Louisiana Governor’s Mansion Baton Rouge, Louisiana |
 National Geographic Society Building 16th Street Facade and Hubbard Hall Washington, DC circa 1933 and 1902 |
| |
 St. Joseph’s Chapel Emmitsburg, Maryland circa 1839 |
 The Smithsonian Institution’s National Air & Space Museum Washington, DC |
| |
 Calvert Mansion/Riversdale Mansion Riverdale, Maryland |
 815 Connecticut Avenue Washington, DC |
| |
 United States Federal Reserve Board Headquarters Building Washington, DC circa 1932 |
 Interior Department Offices (GSA Central Headquarters Building) Washington, DC circa 1940 |
| |
 International Monetary Fund (IMF) Washington, DC |
 U.S. General Accounting Office (GAO) Building Washington, DC circa 1940 |
| |
 U.S. Department of the Treasury and Bureau of Engraving & Printing Washington, DC |
 2101 Connecticut Avenue Washington, DC circa 1928 |
| |
 Constitution Hall Washington, DC circa 1927 |
 Memorial Continental Hall Washington, DC circa 1905 |
| |
 The Belvedere Condominium and Xerox Regional Headquarters Building Alexandria, Virginia |
 Carlton Hotel Washington, DC circa 1920 |
| |
|
| |