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 Libraries for students and others. Smithsonian Institution webpage Among the ongoing social media initiatives are a blog, Facebook page, Flickr page, and a Twitter feed. The Smithsonian Libraries Fact Sheet states that the "Smithsonian Libraries, though a plural noun, is consistently followed by a singular verb because it is considered a system of libraries, with individual locations operating under the aegis of a central administration and adhering to a common mission." Smithsonian Libraries Smithsonian Libraries (SIL), formerly known as Smithsonian Institution Libraries, is a library system comprising 20 branch libraries serving the various Smithsonian Institution museums and research centers, as well