1. Coca-Cola Recipe Vault, Georgia, USA
Recipes are always personal to those who come up with them, but for a drinks company that generates billions each year, safeguarding a winning formula can mean hiding it in a steel vault.
In 2011, the most famous secret recipe in the world was transferred from its original vault at SunTrust Bank a few minutes up the road to the new World of Coca-Cola exhibit in Georgia. Monitored 24 hours a day, the majority of the vault’s interior is heavily guarded from visitors.