If you’re guarding America’s wealth, you better have a really good lock on your front door, particularly when the year is 1922. It was an era of gangsters and the Federal Reserve Bank of Cleveland was determined to be ready for anything. That was why they installed the world’s largest bank vault door, a 100-ton lid on the nation’s cookie jar. In the fall issue of American Road Magazine Erika Nelson tells the story of the monstrous door in her Think Big column. Erika is the owner of the “World’s Largest Collection of the Smallest Replicas of the World’s Largest Things.”