The Cuckoo's Nest

 is a location in the southwest of the Big Empty.

Layout
The entire cave appears to be a lobotomite den and is littered with corpses, piles of flesh, and makeshift shelters and beds. There are several hostile lobotomites within the cave including the unique lobotomite, Test Subject 1.

Notable Loot

 * The Sink Project: Toaster holotape can be found to the right immediately upon entrance on the bottom of a shelf on a makeshift shrine.
 * A protonic inversal axe is on the body of Test Subject 1.
 * Several proton throwing axes at the west corner of the main cave beside the cage.
 * Several toasters are located near the Sink Project: Toaster holotape.
 * In one of the graves are a few firebombs and a Yao Guai Gauntlet, which were weapons exclusive to Honest Hearts. This implies that a tribal from Zion may have ended up in the Big MT.

Appearances
The Cuckoo's Nest appears only in the Fallout: New Vegas add-on, Old World Blues.

Behind the scenes
This is a reference to the 1962 novel One Flew Over the Cuckoo's Nest, which featured an asylum where lobotomies were performed to keep patients docile.