| All About Town | 202-393-3896 |
| Alexandria Parks | 703-838-4343 |
| Andrews Air Force Base | 301-981-4511 |
| Antietam Battlefield Historical Trail | 301-739-1212 |
| Arboretum (National Arboretum) | 202-475-4815 |
| Armed Forces Medical Museum, Walter Reed Medical Center | 202-576-2348 |
| Art Museum of the Americas | 202-857-6583 |
| Arthurm M. Sackler Gallery | 202-357-2020 |
| Arts & Industries Building Museum | 202-357-2020 |
| Aquarium (Department of Commerce Building) | 202-377-2825 |
| Arlington House (Robert E. Lee house) | 703-557-3154 |
| Arlington Cemetery | 703-557-0613 |
| Botanic Garden | 703-225-7099 |
| Bureau of Engraving and Printing | 202-447-9709 |
| Captial Building Tours | 202-225-6827 |
| Capital Children's Museum | 202-543-8600 |
| Chesapeake & Ohio Canal | 202-299-3622 |
| Christmas Candlelight White House Tour | 202-472-3669 |
| Clara Barton house | 202-492-6245 |
| Coca Cola Bottling Plant, Alexandria Tour | 703-820-2323 |
| Colonial Annapolis Historical Trail | 704-289-1604 |
| Colvin Run Mill | 703-759-2771 |
| Corcoran Gallery of Art | 202-638-3211 |
| Cox Farms Pumpkin Patch - Braddock Road | 703-830-4121 |
| CSX Railroad (Formerly C & O Railroad) | 703-589-2241 |
| Daughters of the American Revolution Museum | 202-628-1776 |
| Decatur House | 202-673-4030 |
| Dial Audubon | 301-652-1088 |
| Dial-A-Museum | 202-357-2020 |
| Dial-A-Park | 202-619-7275 |
| Dial-A-Phenomenon | 202-737-8855 |
| Dial-A-Weather Forcast | 202-936-1212 |
| Doll''s House and Toy Museum | 202-244-0024 |
| Dulles Airport Tours | 703-471-7838 |
| Dumbarton Oaks (Starting Place of the United Nations) | 202-338-8278 |
| Fairfax County Parks - General Information | 703-246-5700 |
| Federal Aviation Administration Control Center, Leesburg | 703-783-0745 |
| Federal Buildings - Visitors Information | 202-728-4422 |
| Federal Bureau of Investigation (Reservations 9 to 12 months in advance) | 202-324-3447 |
| Folger Shakespeare Library | 202-544-7077 |
| Ford's Theater | 202-426-6924 |
| Franciscan Monastery | 202-526-6800 |
| Freer Gallery of Art | 202-357-2020 |
| George Washington Masonic National Memorial | 703-683-2007 |
| Goddard Space Flight Center | 301-286-8103 |
| Great Falls Park, Virginia | 703-759-2925 |
| Great Falls Park, Maryland | 301-299-2026 |
| Gulf Branch Nature Center, Arlington (Gems and Indian Lore) | 703-558-2340 |
| Gunston Hall | 703-550-9220 |
| Hidden Oaks Nature Center, Annandale | 703-941-5009 |
| Hidden Pond Park Nature Center, West Springfield | 703-451-9588 |
| Hirshorn Museum | 202-357-2700 |
| Holocaust Museum | 202-653-9219 |
| International Visitors Information Service | 202-783-6540 |
| Intelsat Co. | 703-488-2687 |
| Interstate Van Lines (Donates $3 per Adult to Pack) | 703-569-2121 |
| Islamic Center | 202-332-8343 |
| Jefferson Memorial | 202-619-7222 |
| Kennedy Center for the Performing Arts - Tours | 202-254-3850 |
| Lake Accotink Park | 703-569-3454 |
| Lee''s Boyhood Home, Alexandria | 703-548-8454 |
| Library of Congress | 202-707-5458 |
| Lincoln Memorial | 202-619-7222 |
| Long Branch Nature Center, Arlington | 703-558-2741 |
| Main Post Office | 202-523-2001 |
| Marine Corps Evening Parades - Iwo Jima Memorial | 202-422-4173 |
| Marine Corps Museum, Washington Navy Yard (Weekdays) | 202-433-3840 |
| Marine Corps Museum, Washington Navy Yard (Weekends) | 202-433-3534 |
| Mason District Park, Annandale | 703-941-1730 |
| Military Band Concerts | 202-433-4011 |
| Morven Park Plantation | 703-777-2414 |
| Mount Vernon | 703-780-2000 |
| Mount Vernon Historical Trail | 703-780-2000 |
| Museum of African Art | 202-547-7424 |
| Museum of American History | 202-357-2700 |
| National Airport | 703-557-2045 |
| National Archives | 202-501-5000 |
| National Aquarium | 703-557-2043 |
| National Arboretum | 202-377-2825 |
| National Building Museum | 202-272-2448 |
| National Capital Lincoln Trail | 704-282-1339 |
| National Cathedral | 202-537-6200 |
| National Colonial Farm, Accokeek, MD | 301-283-2113 |
| National Gallery of Art | 202-737-4215 |
| National Geographic Society - Explorer's Hall | 202-857-7000 |
| National Housing Center | 202-452-0200 |
| Nationa Museum of American Art | 202-357-1300 |
| National Museum of Women in the Arts | 202-783-5000 |
| National Park Service | 202-619-7222 |
| National Portrait Gallery | 202-357-1300 |
| National Public Radio | 202-822-2300 |
| National Rifle Association - Firearms Museum | 202-784-6505 |
| National Shrine of the Immaculate Conception | 202-526-8300 |
| National Visitors Center | 202-523-5033 |
| National Zoological Park | 202-673-4800 |
| Naval Observatory Tours | 202-653-1543 |
| Navy Memorial (7th and Pennsylvannia Avenue | 202-737-2300 |
| Navy Memorial (Concerts) | 202-433-2525 |
| Navy Memorial Museum, Washington Navy Yard, Visitor Center | 202-433-2218 |
| Navy Memorial Museum, Washington Navy Yard | 202-433-2651 |
| Nottoway Park, Vienna | 703-938-7532 |
| Oatlands Plantation | 703-777-3174 |
| Octagon | 202-638-3221 |
| Old Stone House | 202-426-6851 |
| Organization of American States (OAS) | 202-331-1010 |
| Oxen Hill Children's Farm | 301-839-1177 |
| Pentagon Tours | 703-695-1776 |
| Peterson House | 703-426-6830 |
| Pierce Mill | 703-426-6830 |
| Pohick Regional Park (Good for Winter Sledding) | 703-339-6100 |
| Potomac Appalachian Trail Club | 703-638-5306 |
| Potomac River Power Plant, Alexandria | 703-872-3571 |
| Prince WIlliam Forest National Park, Triangle, Virginia | 703-221-7181 |
| Riverbend Interpretive Center, Great Falls, Virginia | 703-759-3211 |
| Scottish Walk (First Saturday in December - Scout Units Participate) | 703-838-4200 |
| Smithsonian Museums | 202-381-6264 |
| Smithsonian Museums - Air and Space | 202-357-2700 |
| Smithsonian Museums - Natural History | 202-357-2700 |
| State Department | 202-647-3241 |
| Sully Plantation | 703-437-1794 |
| Supreme Court of the United States | 202-252-3211 |
| Textile Museum | 202-667-0441 |
| The American Sailor Evening Concerts | 202-433-2218 |
| Theodore Roosevelt Island | 703-285-2601 |
| Thomas Jefferson Memorial | 202-426-6700 |
| Twilight Tattoo Series - U.S. Army Band | 202-696-3647 |
| U.S. Capitol Building | 202-225-6827 |
| Vietnam Veterans' Memorial | 202-619-7222 |
| Visitors Information Center | 202-789-7038 |
| Voice of America Museum | 202-755-4744 |
| Washington Grist Mill | 703-780-3383 |
| Washington Monument | 202-619-7222 |
| Washington National Cathedral | 202-537-6200 |
| Water Company, 5900 MacArthur Blvd., Washington, D.C. | 202-282-2701 |
| WETA TV Channel 26 Studios | 202-998-2696 |
| White House Spring and Fall Garden & Candlelight Tours | 202-456-2200 |
| White House Tour Information | 202-456-7041 |
| Woodlawn Plantation | 703-780-4000 |
| Woodrow Wilson House | 703-387-4062 |