To say the Smithsonian National Museum of Natural History in Washington, D.C. is large is, to put it lightly, an understatement. The museum, which does not charge a fee for admission, is housed in a building with a total area of 1,320,000 square feet! If that whopping figure puts you off, don't be intimidated; the space accessible by the public is a comparatively minuscule 350,000 square feet.
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