Vault 121

Vault 121 is a Vault-Tec vault that is unused in Fallout 4. It was shown in the documentary The History of Bethesda Game Studios.

Background
In the documentary of The History of Bethesda Game Studios, there is a map of the Commonwealth which shows Vault 121 in place of Vault 95.

Appearances
Vault 121 was unused in Fallout 4.