Restaurování

 
Robert Alger se podílel na restaurování významných historických objektů v USA, včetně White House (Washington, DC), Naval Academy (Annapolis, Maryland) a Pennsylvania State Capitol (Harrisburg, Pennsylvania).
Restaurované historické objekty
| Maryland Monument - Antietam National Battlefield | Antietam, Maryland (USA) | 2005 | 
| St. Stephen and the Incarnation Episcopal Church | Washington, DC (USA) | 2005 | 
| Mexican War Monument | Harrisburg, Pennsylvania (USA) | 2002 | 
| Pennsylvania State Capitol - Barnard Statuary | Harrisburg, Pennsylvania (USA) | 2001-02, 1996-97 | 
| St. David’s Episcopal Church | Washington, DC (USA) | 2001 | 
| Queen Anne Belvedere | Baltimore, Maryland (USA) | 2000-01 | 
| Garrett-Jacobs Mansion | Baltimore, Maryland (USA) | 1999 | 
| Pennsylvania State Capitol Annex Building | Harrisburg, Pennsylvania (USA) | 1998-99 | 
| Naval Academy - Bancroft Hall Rotunda | Annapolis, Maryland (USA) | 1995-96 | 
| White House | Washington, DC (USA) | 1988-90 |