Events View Events: Upcoming By Day By Month Sunday, April 21 Choose a Date Tuesday, April 23 Monday, April 22, 2019FREE Journey to Oz Exhibit at Crown CenterAll Day | Crown CenterFree Chalk Walk Festival9:00 am to 5:00 pm | Concourse ParkFREE Admission to Teacher Appreciation Weekend at Science City10:00 am to 5:00 pm | FREE | Science City Sunday, April 21 Choose a Date Tuesday, April 23 View Events: Upcoming By Day By Month