Free Admission Thursday Donation Days from 10am 4pm at Peggy Notebaert Nature Museum - see INFO below. For over 165 years, the Chicago Academy of Sciences Peggy Notebaert Nature Museum has served a unique role in the city of Chicago connecting people of all ages to nature and science through immersive exhibits, fun family events, important conservation research and in-depth education programs, inspiring the wonder in all of us. Mission: to create a positive relationship between people and nature through collaborations, education, research and collections, exhibitions, and public forums to grow our regions urban connection to the world of nature and science. Founded in 1857, the Chicago Academy of Sciences was founded by nature aficionados and amateur scientists seeking a space where they could study and share the specimens they collected. It was citizen science in action before the term was even invented! In addition to being the first private scientific museum founded in Chicago, the Academy became Chicagos first public museum when it opened its doors to all visitors in 1869. This action would shape the institutions educational focus and commitment as a community museum. More Info below.