In the classic Twilight Zone episode "It's a Good Life", six-year-old Anthony Fremont (played by child star Billy Mumy) has the power to wish for anything. He often gets angry at other people, punishing them by sending them to "the cornfield". The other people in his town fear him, and do what they can to please him.
Was the cornfield an actual place that physically existed? Or was it a metaphor for oblivion?