Interior Museum | U.S. Department of the Interior

Interior Museum | U.S. Department of the Interior
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Countdown to
America's 250th Anniversary
:
July 4th 2026
America250
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Interior Museum
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Interior Museum
Since 1938, the Interior Museum’s mission has been to inspire and educate Departmental employees and the public about the ongoing stewardship of the nation’s public lands, natural resources, and cultural heritage.
Have you ever wondered why there is a museum in the headquarters?
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Will you be in the nation's capital? Come see us!
Read more
Are you interested in a guided tour of the Stewart Lee Udall Building?
Read more
Did you know that the Interior Museum stewards more than 8,600 objects?
Read more
The museum is free and open to the public, Mondays through Fridays, from 9:00 AM to 5:00 PM (closed Federal holidays). For any weather-related or governmental closures, the museum follows the Federal Government
Operating Status
for the Washington, DC area.
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