I imagine the lights in the sky over Arby's as auroras, having something to do with an electromagnetic charge emitted by their foil wrappers. The radiation from Radon Canyon hits the Arby's foil magnetosphere and voila.
What may appear as a mirror image of the stars above, the bioluminescence in the water is actually due to marine microbes called phytoplankton. The effect it has on the shore is absolutely breathtaking. 27 Surreal Places To Visit Before You Die