Four families will compete each week to transform their homes for the holidays in just 21 days.

Four families will compete each week to transform their homes for the holidays in just 21 days.

Four families will compete each week to transform their homes for the holidays in just 21 days.

Four families will compete each week to transform their homes for the holidays in just 21 days.

Mine shaft filled with holiday spectacles; a blow mold-filled design; an array using 115,000 lights.

A wonderland filled with whimsical characters; a dancing light show; a design with Santa's cottage.