Come hungry. That is the only requirement. FoodieLand is the nation's largest food festival — 250+ vendors packed into Del Mar Fairgrounds across three evenings in May, each one running 3 PM to 10 PM. This is not a county fair with funnel cakes and a corn dog stand. It is a full passport stamp: Korean BBQ next to Oaxacan tacos next to Taiwanese shaved ice next to wood-fired Argentine empanadas. Festival-only menu items that vendors do not sell anywhere else. Artisan shops. Live music threading through the crowd. Games. The smell of a dozen cuisines hitting you at the same time and somehow all of it working. They built …