This post is an interesting read. Here's a snippet:
That's right, ladies and gentlemen, as a result of our cursory examination, we have learned that the world's largest private, and commercial, gold vault, that belonging once upon a time to Chase Manhattan, and now to JPMorgan Chase, is located, right across the street, and at the same level underground, resting just on top of the Manhattan bedrock, as the vault belonging to the New York Federal Reserve, which according to folklore is the official location of the biggest collection of sovereign, public gold in the world.