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 Museum Support Center Smithsonian Museum Support Center The Smithsonian Institution's Museum Support Center (MSC) is a collections storage and conservation facility in Suitland, Maryland which houses Smithsonian collections which are not on display in the museums. It is not usually open to the public, due to security concerns, though occasionally special tours are organized. More than 54 million collections items are housed at the MSC. This comprises approximately 40 percent of the Smithsonian's collection which is not on display, while the rest of the objects are housed behind-the-scenes in the museums themselves or at other off-site storage facilities. The collections are housed in