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
National Museum of the American Indian in New York City; and the Cultural Resources Center, a research and collections facility in Suitland, Maryland. The foundations for the present collections were first assembled in the former Museum of the American Indian in New York City, which was established in 1916, and which became part of the Smithsonian in 1990. Following controversy over the discovery by Native American leaders that the Smithsonian Institution held more than 12,000–18,000 Indian remains, mostly in storage, United States Senator Daniel Inouye introduced in 1989 the National Museum of the American Indian Act. Passed as Public Law 101-185, it established the National Museum