The following museums are closed Saturday, July 23, due to a power outage: National Museum of the American Indian, Hirshhorn Museum, National Museum of African Art, Arthur M. Sackler Gallery, and the Ripley Center.

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Who Invented the Environment?

September 11, 1998 – September 27, 1999

American History Museum
12th and Constitution Ave., NW
Washington, DC

Location: 1st Floor, West Wing, Lemelson Center cases

Compare society's ideal of nature and the reality measured by the scientific instruments in these 2 small cases. Objects include the photograph "Yosemite Valley" by Ansel Adams, an Earth Day 20th Anniversary poster signed by Peter Max, scientific instruments, a "Can I Breathe the Air?" kit manual, and various meteorological instruments.