Alex Polizzi arrives in Sardinia to explore her family roots and discover the rich and diverse culture of this ever-popular destination. She’ll be sampling the Cagliari cuisine, venturing inland to experience the rugged beauty of the Supramonte regio... (more)n and meeting a woman who claims to be the last woman in the world to weave the precious sea silk. She’ll also be meeting a team of scientists who are studying the genes of the locals, as she learns that Sardinia has more centenarians than anywhere else in the world.