National Museum of Natural History National Museum of Natural History The National Museum of Natural History is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States. It has free admission and is open 364 days a year. In 2016, with 7.1 million visitors, it was the fourth most visited museum in the world and the most visited natural-history museum in the world. Opened in 1910, the museum on the National Mall was one of the first Smithsonian buildings constructed exclusively to hold the national collections and research facilities. The main building has an overall area
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