This document summarizes 15 of the most impenetrable bank vaults from around the world based on their security features. Some of the vaults discussed include Fort Knox which requires a 10 person team to unlock its 22 ton vault door, the New York Federal Reserve vault which uses robots to move items around for added security, and the Bank of England gold vault whose walls are bombproof and provided protection during WWII air raids. Other extremely secure vaults mentioned are located in places like Dubai, Switzerland, Iran, and a vault in Denver, CO that is located in the room where millions were formerly counted and stored. Many of the vaults discussed have withstood explosions, fires and other disasters without being breached.