<P> The California Academy of Sciences is a natural history museum in San Francisco , California , that is among the largest museums of natural history in the world , housing over 26 million specimens . 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 endeavors of the museum during the 20th century . </P>
<P> The California Academy of Sciences is a natural history museum in San Francisco , California , that is among the largest museums of natural history in the world , housing over 26 million specimens . 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 endeavors of the museum during the 20th century . </P>
when was the california academy of sciences built
when was the california academy of sciences built
1853
1853