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Exploring local delicacies, alternative farm schools and entrepreneurs making flake salt from ocean water on the rugged islands of Aukra and Ona; a gas processing plant that powers the U.K.; a modern salmon processing plant.

Exploring the health benefits of root vegetables; instant sweet potatoes; hummus with raw beet relish; a multi-root gratin.

Turkey thigh confit with citrus-mustard sauce; cranberry sauce; skillet turkey burgers.

Citrus and fennel salad; crispy smashed garlic rosemary potatoes; roast pork shoulder.

Spiral sliced ham glazed with cider vinegar caramel; mandolines; the science of sound and texture; Spanish potatoes with olive oil and wine.

Crumb-crusted rack of lamb; electric knives; Brussels sprout gratin.

Recipes for Romanian meatball soup, Romanian baked polenta with sour cream and cheese and Romanian musaca.

Jeff and Jamie step in to save a 120-year-old grocery store in the South End, but moving a fragile, historic structure is risky.

Zugspitze; touring Innsbruck, Austria; a Tyrolean village festival; crossing the Alps into Italy to tour a medieval castle and explore the rugged Dolomite Mountains.

Taiwan Lantern Festival features a national display of lanterns in Hsinchu and the release of thousands of sky lanterns in the mountain district of Pingshi.

Celebrating Matariki, the Maori New Year.

History, culture and food in Saratoga Springs, N.Y., known for its healing waters and horses; stories of the American Revolution at Schuyler House, Saratoga Monument and Saratoga National Historical Park.

Touring Reykjavik's endearing sights; a side trip to the Blue Lagoon; the classic Golden Circle; Snaefellsnes Peninsula.

Animals such as reindeer, wolverines and brown bears survive in the tundra and forest of Lapland, the northernmost region of mainland Europe.

Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life.

Citrus and fennel salad; crispy smashed garlic rosemary potatoes; roast pork shoulder.

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