Migration Day Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: September 14, 2015 – September 15, 2015 all-day 2015-09-14T04:00:00+00:00 2015-09-15T04:00:00+00:00 Cost: Free with membership or general admission Events at The Children's Museum animals birds butterflies Butterfly House migration whales Winged Wonders Year of Conny