Depends on what sort of pie you are looking for...
(*all* good pie is based upon flaky but tender crust, filled with fresh and tasty ingredients)
Best Apple Pie: Julian Pie Shop, Santa Ysabel, California
Best Strawberry-Rhubarb Pie: Frank's Diner, Santa Maria, California
Best Olallieberry Pie: Duarte's Tavern, Pescadero, California
Best Wild Blueberry Pie: Hurd Family Fruitstand, North Turner, Maine
Best Lemon Meringue Pie: Was made by my late mother....and no, you can't have the recipe!
Best Meat Pie: Is a venison, sausage, and mushroom pie I did with the second deer I ever shot...