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
Museum of the Rockies Museum of the Rockies Museum of the Rockies is a museum in Bozeman, Montana. Originally affiliated with Montana State University in Bozeman, and now, also, the Smithsonian Institution, the museum is known for its paleontological collections, although these are not its sole focus. The Museum of the Rockies houses the largest collection of dinosaur remains in the United States, possessing the largest "Tyrannosaurus" skull ever discovered, as well as the thigh bone of a "Tyrannosaurus rex" that contains soft-tissue remains. The museum is part of the Montana Dinosaur Trail and is Montana's official repository for paleontological specimens. The museum's collections