National Museum of Natural History - one of the world's largest natural history collections

The Smithsonian National Museum of Natural History houses one of the world's largest natural history collections, with approximately 146 million specimens and artifacts across fields such as zoology, botany, geology, and paleontology. The collections include millions of insect, plant, fossil, and animal specimens used for scientific research, conservation, and public exhibitions. The museum maintains large, long-term research repositories and online specimen databases.