ShutterstockFood is undoubtedly a huge part of any trip. But for some people, food is the only reason for the trip. From a Puerto Rican highway famous for its pork to an Italian forest filled with white truffles, we've found some of the most epic foodie trails and destinations around the world.Oysters in Galway, Ireland Shutterstock While more famous for Guinness beer and Irish whiskey, real oyster connoisseurs should head to Ireland, and more specifically Galway, to sample the famous Kelly oyster — an extra large, extra salty bivalve.