National Geographic : 1978 May
VISIT EXPLORERS HALL NATIONALGEOGRAPHIC SOCIETY You and your family are the explorers here. Discover exciting, one-of-a -kind exhibits that talk, move, light up. See your Society's treasures of discovery, records of scientific achievement, and relics of ages past. Watch educational films. Only six blocks from the White House. Open daily. NATIONAL GEOGRAPHIC SOCIETY 17th & M Streets N.W ., Washington, D.C.