Binaural Recording
Overview
Binaural recording is a method of recording sound that uses a special microphone arrangement and is intended for replay using headphones. Dummy head recording is a specific method of capturing the audio, generally using a bust that includes pinnae (outer ears). Read the full Wikipedia entry.
Samples
Put on your headphones (preferably closed-ear) and listen to some binaural recordings. The tracks below came from Hugo Zuccarrelli's Aldebaran.