25+ Locations You’re NOT Allowed To Visit – #12 Is Hard To Believe http://laughingsquid.com/ #5 The Coca-Cola Vault Credit: DailyMail.co.uk The secret formula to the Coca-Cola recipe is locked safely inside the corporation’s vault. Some suggest it is one of the most heavily guarded secrets. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26