The Dark Box is where the Night Vale Community Radio's Station Management holds HR retraining sessions. It is also used by city council as a punishment for selling illegal discount bloodstones. Imprisonment in The Dark Box leads to erasure from recorded history.
Some believe that all of this is a hoax created by City Council, who are the owners of the only vertified bloodstone factory in town. The Council has vehemently denied this charge by gibbering, howling, and knocking over microphones.