Maxwell's World [Fallout 4]: Fantastic Journey

A new ally is needed in the form of a man or more accurately a skeleton named Stoat. Choose a companion and head for the Fantasy Avenue area of the mark marked via quest marker. Use one of the two switches to open the gate, optionally kill and loot Jangles/Vault Boy, Defeat a haunted ride, then meet Stoat and head back. Take the Employee Tunnels at your own peril.