American Philosophical Society Museum
Founded in 1743 by Benjamin Franklin and John Bartram, the American Philosophical Society was created to promote the study of the natural world. In 1789, a building dedicated to this organization was completed and became our country's first museum, library and academy of science.
Visit this historic landmark to find such artifacts as Thomas Jefferson's handwritten Declaration of Independence and a notebook detailing the expeditions of Lewis and Clark.
Things to Do
View the more than 3000 articles of historic, scientific and cultural significance that this Museum has to offer.
Peruse the first of three Jeffersonian exhibits to be housed at the Museum from 2014 to 2016: Jefferson, Philadelphia and the Founding of a Nation.
American Philosophical Society Museum Insider Tips: