Washington DC : And Virginia, West Virginia, Maryland and Delaware

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The National Geographic Society, headquartered in Washington, D.C., United States, is one of the largest non-profit scientific and educational organizations in the world.

This guide to Washington D.C. highlights places of interest, walks and drives in the surrounding areas, a "More Places to Visit" section detailing places off the beaten track, a directory of hotels, restaurants, shops and entertainment listings, opening times and useful telephone numbers. It also includes cut-away illustrations of important buildings and descriptions of major cultural, architectural and historical sites.

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