Shedd aquarium, a not-for-profit, tax-exempt organization, gratefully acknowledges the sustaining contributions of the people of chicago, state of illinois and chicago park district. shedd is an accredited member of the association of zoos and aquariums, a smithsonian affiliate, and humane conservation certified by american humane.. Or surprise your guests with a return visit to shedd, either with shedd tickets, citypass, or one of our extraordinary experiences. make a difference in lieu of the �traditional� event favors for your guests, the shedd aquarium development team can work directly with you in arranging a donation that supports the work of shedd,. The aquarium will extend the free days with special night events on mondays, wednesdays and thursdays. attendees who can�t visit the museum during the day or on weekends will be able to go and listen to live music while looking at the aquarium. here�s a schedule for the evening events:.