The United States usually has a universal option of what pizza toppings to add to our pies. Pepperoni is the most popular, followed by sausage, bacon, ham, beef, and chicken. Then add the wide assortment of veggies, like onions, mushrooms, peppers, and olives, and that generally sums it up. But what about pizza lovers around the world? What pizza toppings are they crazy about which aren't usually on our radar?