Diners, Drive-ins & Dives

FOOD | 9:00 pm

Guy Fieri knows where to find a world of flavors without leaving the United States in the new episode "Round the World Roundup. " Just outside Atlanta, in Smyrna, Ga., a doctor-turned-chef fires up amazing Asian deliciousness from righteous ramen to Korean wings. Two buddies in Austin, Texas, have patrons lining up to sample their tasty take on tacos. Hungry folks in Salt Lake City take a shine to a couple who cook some really luscious Lebanese cuisine.