- The Young Professionals Organization invites you to join them as they celebrate the 50th Anniversary of the Theater on the Lake Tuesday, June 11 at 6 p.m. A special performance by will follow at 8 p.m. ...more info Thank you all for your support, Bears Chairs are officially sold out. ...more info Create your own gallery of Chicago history with archival photographs, beautifully illustrated books ...www.parkways.org