The Chilean National Museum of Natural History, also known as the MNHN, is located in Santiago, Chile. Founded in 1830, it is the oldest museum in the country and one of the oldest natural history museums in the Americas. The museum is dedicated to the research, collection, preservation, and exhibition of Chilean and South American flora, fauna, geology, and anthropology.

The museum has over 12 million specimens, including rare and endangered species, and is home to one of the world's largest collections of Chilean plants. The exhibitions include diverse topics such as the evolution of the planet, the history of life on Earth, the diversity of plants and animals, and the cultural heritage of the indigenous peoples of Chile.

In addition to the permanent exhibitions, the museum also offers temporary exhibitions, educational programs, and guided tours. The museum has a specialized library with more than 80,000 volumes, including rare books and scientific publications, as well as an archive of photographs, illustrations, and documents related to the natural history of Chile.

The MNHN is a leading institution in the research and conservation of the biodiversity of Chile and the region. It also plays an important role in educating the public about the importance of protecting the environment and preserving natural resources.