If you're not a rewards member, you can get a scoop of ice cream for 90 cents. If you are, you can get a free cone or dish of the cold stuff. Rewards members can get double points on orders. For two hours, they'll give away free cups of their ice cream on Sunday.

Want to snag a free Dilly bar from Dairy Queen this month? Here's how to get one for free on National Ice Cream Day, which falls on Sunday, July 21.