The present invention is an apparatus for providing indirect illumination to a building interior or exterior using crown molding with specialized grooves for holding light ropes or other types of light sources. The invention generally consists of modular pieces of crown molding with an elongated groove in a top surface running parallel to the front surface. A light rope or other types of illumination are installed in the groove and provide indirect light on the wall, ceiling or other objects above the crown molding. Molding may also be used as picture frame and shelving accent lighting. Clips hold the light rope or other source of illumination inside the groove.