A FEW SITES OF MASONIC INTEREST IN THE WASHINGTON, D.C. AREA   THE GEORGE WASHINGTON MASONIC NATIONAL MEMORIAL 101 Callahan Dr., Alexandria, Virginia HOUSE OF THE TEMPLE ANCIENT & ACCEPTED SCOTTISH RITE, S.J. 1733 Sixteenth St., N.W., Washington, D.C. DISTRICT OF COLUMBIA BOUNDARY STONES First stone laid in Masonic Ceremony on April 15th, 1791   THE WHITE HOUSE Cornerstone laid in Masonic Ceremony on October 13th, 1792   UNITED STATES CAPITOL Cornerstone laid in Masonic Ceremony on September 18th, 1793   SMITHSONIAN INSTITUTION Cornerstone laid in Masonic Ceremony on May 1st, 1847   WASHINGTON MONUMENT Cornerstone laid in Masonic Ceremony on July 4th, 1848   WASHINGTON NATIONAL CATHEDRAL Cornerstone laid in Masonic Ceremony on September 29th, 1907   MOUNT VERNON 3200 Mount Vernon Memorial Hwy., Mount Vernon, Virginia   OLD MASONIC TEMPLE (1908-1983) Now home of the National Museum of Women in the Arts 1250 New York Ave., N.W., Washington, D.C.   OLD MASONIC TEMPLE (1869-1908) 901 "F" St., N.W., Washington, D.C.   SCOTTISH RITE TEMPLE 2800 Sixteenth St., N.W., Washington, D.C.