The most prestigious and expensive ham in the world hails from Spain and it's called jamon Iberico de bellota, or acorn-fed Iberico ham. One leg of it, weighing between 13 to 17 pounds, can cost up to $4,500. The most expensive jamon iberico de bellota available in the U.S. costs $1,400. The ham is a product of Iberico pigs, a rare breed found mostly in Spain. We tried it to find out why Americans are shelling out top dollar for ham, when the average price in the U.S. is just $3 per pound.