Big Mac

Who makes it: McDonald's
Where it can be found: Worldwide
What it costs: $3.57

What makes it innovative: "Two all-beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame-seed bun"—with that, McDonald's introduced its biggest burger yet in 1968. The Big Mac was created by Pittsburgh franchise owner Jim Delligatti. Now, McDonald's sells more than 550 million of the double-decker burgers each year.