The Human World is where monsters working at Monsters, Inc. access through various doors to travel in time to the human's age to collect screams (later laughter) from children to supply Monstropolis with power.
- Boo's Room (from where Boo invades the Monster World)
- The Himalayas, in Nepal (where the Yeti, and briefly Mike and Sulley, gets banished to)
- An unnamed boy's room (shown when Mike entertains him to make him laugh)
- Camp Teamwork Cabin (shown when Mike enters the Human World in Monsters University)
Locations shown during the factory chase sequence
- Paris, France
- Trailer (home to Trailer Son and Mom)