15 Forbidden Destinations You Can Never Visit (but can get close to)

3. Coca Cola’s Vault of the Secret Formula, New York, USA

Can you guess what the secret ingredient(s) of the most popular soft drink in the world is? If your guess is water, sugar, and black, you might be right. In truth, we’ll never know, despite the fact that Coca-Cola allows visitors to pass through a strict security checkpoint to see the vault. The secret to billions of dollars in revenue is locked behind the Vault. Enticing, yes, but you’ll probably be arrested and roughed up a bit if you try to make a break into the Vault.