Department of Entomology, National Museum of Natural History Department of Entomology, National Museum of Natural History The Department of Entomology is a research department and collection unit of the Smithsonian Institution's National Museum of Natural History (NMNH), located in Washington, DC. The department houses the U.S. National Insect Collection, one of the largest entomological collections in the world, with over 35 million specimens housed in 132,354 drawers, 33,000 jars or vials, and 23,000 slides in more than 5,200 cabinets. The department also includes research scientists and technical staff from the Smithsonian Institution, the United States Department of Agriculture Systematic Entomology Lab (SEL) and United States Department of Defense
Smithsonian Institution these specimens and artifacts. The Collections Search Center has 9.9 million digital records available online. The Smithsonian Institution Libraries hold 2 million library volumes. Smithsonian Archives hold 156,830 cubic feet of archival material. The Smithsonian Institution has many categories of displays that can be visited at the museums. In 1912, First Lady Helen Herron Taft donated her inauguration gown to the museum to begin the First Ladies' Gown display, one of the Smithsonian's most popular exhibits. The museum displays treasures such as the Star-Spangled Banner, the stove pipe hat that was worn by President Lincoln, the ruby slippers worn by