Images documenting the construction of the United States National Museum, now the National Museum of Natural History. In 1903 Congress authorized the Board of Regents to begin a new museum building, ...

By ensuring the repair and maintenance of the air conditioning system at the National Museum of Natural History, SM is enhancing the visitor experience and protecting valuable artifacts in a ...

The Smithsonian National Museum of Natural History's exhibits and facilities (including restrooms, several gift shops and two cafes) are free to visit, but fees do apply for the Butterfly Pavilion ...