McDonald's: Buy 1 Big Mac, Get 1 Free. May 25-27

McDonald's is having a great Buy 1 Get 1 Free Big Mac promo this weekend. This is valid May 25-27, no coupon needed. Click here for a store locator.

This is valid at participating locations, it is best to call ahead to make sure your store is participating before you go because McDonald's Promos may be regional.