In food processor, crush cookies into fine crumbs. In mixing bowl, stir together cookie crumbs and butter. With your fingers, press crumb mixture evenly onto bottom and sides of 9-inch pie plate. Place in freezer about 15 minutes or until firm.*
Meanwhile, place ice cream in refrigerator for about 15 minutes to soften. Scoop ice cream into crust and spread evenly with spatula. Pipe or spoon whipped topping around border of pie. Arrange small candy canes on top of pie. Place pie in freezer for several hours or until ice cream is firm.
To serve, cut pie into 8 wedges. Place each wedge on a dessert plate and drizzle with chocolate syrup or hot fudge sauce, if desired.