Produced Five Episodes of this "3D audio" fiction podcast. 3D audio uses special recording techniques and plugins that take advantage of binaural sound differences to create a more 3D sound than is possible through panning alone.
It's a powerful and underutilized tool that can really spice up any audio production. Listen to the trailer below, and an episode I produced for the series:
Jump ahead to around 1/3 of the way through to get a sense for the production, and listen with headphones!