The San Diego Society of Natural History has a long and storied history. Founded in 1874, it is the oldest scientific institution in southern California and the third oldest west of the Mississippi. Over the years, this small society of natural history lovers and collectors has grown into a big museum, with 8 million specimens in its collection and a variety of exciting programs and exhibitions. The Society’s work over its 150-year history has been remarkable. It has studied, protected, and brought people closer to nature. It has put on award-winning exhibitions and created spectacular programs. It has grown its collection to an impressive 8 million specimens. The San Diego Society of Natural History has a proud heritage of connecting people to nature and inspiring them to care for and protect it. From its humble beginnings, it has grown into one of the largest and most respected scientific institutions in the west. It’s work over the past 150 years is a testament to the power of collaboration and dedication to a common purpose.