New Specials at Great Wolf LodgeGreat Wolf Lodge in Grapevine is offering a few sweet deals to get your family in their doors before the year is over. If you’ve been putting off a family vacation, this might be a good time to schedule one. They have four different specials to choose from.Some are good through the end of December, others expire in early September. One deal gives you a third night free when you stay for two, and another gets you 10 percent off their best available rates. See all their specials here.