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.

  • Entrance to the Interior Museum
    Have you ever wondered why there is museum in the U.S. Department of the Interior's headquarters? Learn more about our origins and what makes us unique within a Cabinet-level Federal agency.

    Who We Are

  • Will you be in the nation's capital? Come see us! Here's where to find our hours, directions, accessibility information, and more.

    Plan a Visit

  • Art and architecture tours within the Stewart Lee Udall Department of the Interior Building
    Are you interested in a guided tour of the Stewart Lee Udall Department of the Interior Building? Built in 1936-1937, it features the most New Deal-era artwork of any Federal building in the United States.

    Book a Building Tour

  • Staff engaging with Interior Museum collections
    Did you know that the Interior Museum stewards more than 8,400 objects of historical, cultural, and scientific importance?

    Explore our Collection

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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