The California Academy of Sciences is one of the ten largest museums of natural history in the World. Remodeled in 2008, it is also one of the newest in the United States. It is located in Golden Gate Park in San Francisco, California. The Academy began in 1853 as a learned society and still carries out a large amount of original research, with exhibits and education becoming significant endeavours in the 20th century. The Academy’s primary buildings in Golden Gate Park reopened on September 27, 2008.