WUNP-DT

Locations include Burgh Island and Greenway House; biographer Laura Thompson discusses Christie's mysterious disappearance in 1926.

Getting to know the real Miss Marple at locations across London and Devon and what inspired Christie to create the character.

Fashion in Milan, Italy; cruising Lake Como; lakeside village of Varenna.

A new cohort of junior doctors join the midwives, including Timothy, who observes the contrast between clinical medicine and compassionate care at Nonnatus House; Violet announces her plan to shadow the midwives.

When sisters Becca and Rosaline receive shocking news about their mother, they fly to the Isle of Man to find out more and are reunited in their sorrow after years of distance.

Edmond locates Gaston, Villefort's illegitimate child, who has grown up to be a thief; Danglars discovers Fernand's treacherous deeds in Algeria and reveals all to the press.

A Revolutionary road trip across South Carolina includes pivotal battlefields like Kings Mountain, Ninety Six, Musgrove Mill and Cowpens; historic plantations, hidden cemeteries and untold local stories.

A farm in Henryville, Ind., that produces various cheeses and gelato flavors from goat milk raised on the farm; chive chevre crostini with spring onion and green garlic confit; goat cheese gnocchi with ramp pesto and goat cheese truffles.

Following the path of the Protestant Reformation; Luther500 Festival in Wittenberg, Germany.

Visiting three of southern Arizona's Sky Islands, mountain ranges that rise up from the desert, producing a dramatic change in landscapes and habitats.

Kiss the Tiger performs with Diane.

The story of the American suffragist movement and the friendships, heartbreak and action that brought women together and tore them apart.

Siena, Italy's, Palio horse race; Scottish Highland Games; Carnevale in Venice, Italy; celebrating Easter in Greece.

Following the path of reformers through Switzerland and Germany, commemorating the 500th anniversary of the Protestant Reformation.

Actor Michael Douglas and writer/director Lena Dunham explore their family roots.

A 1960 Ansel Adams Portfolio III: Yosemite Valley; a Persian Qashqai Gabbeh rug circa 1935; 1959 JFK's boxer shorts with signed photo.

An autographed first edition copy of Harper Lee's "To Kill a Mockingbird"; Titanic photograph and book; Rolex military watch.

Locations include Burgh Island and Greenway House; biographer Laura Thompson discusses Christie's mysterious disappearance in 1926.

Getting to know the real Miss Marple at locations across London and Devon and what inspired Christie to create the character.

Identifying an Early Frame pea from Little Mountain, S.C., and returning it to Monticello.

A silversmith's workshop; dining on oysters with chef Donal Skehan; Ireland's Eye Ferries.

Hunting for truffles; artichoke festival; farmhouse feast; a ride through cypress groves.

The first Black female principal dancer at American Ballet Theatre, Misty Copeland opens up about the obstacles she overcame to make history in ballet.

Sister Veronica weighs her future with the Order; Dr. Turner makes a final stand against the council's news before the maternity home closes; the Mullucks campaign for the rights of all thalidomide victims.

Becca and Rosaline reel from shock and seek solace in different directions as revelations about the circumstances surrounding Mary's death come to light.

Edmond reveals to Villefort that Heloise stole the vial of poison from him, the same poison used to murder the Marquise; Villefort confronts Heloise, threatening to expose her.

Actor Michael Douglas and writer/director Lena Dunham explore their family roots.

A Cartier Art Deco Tutti Frutti clutch circa 1925; a Carl Kauba cowboy bronze circa 1900; a Sumerian cuneiform tablet.

Locations include Burgh Island and Greenway House; biographer Laura Thompson discusses Christie's mysterious disappearance in 1926.

Getting to know the real Miss Marple at locations across London and Devon and what inspired Christie to create the character.

Jeff is invited inside the rarely-seen operations of the 144th Fighter Wing base in Fresno.

Exploring Union County, New Jersey, from the First Presbyterian Church in Elizabeth and Patriot-era cemeteries to historic locations in Scotch Plains, Springfield and Plainfield; battles, espionage and local culture.

A farm in Henryville, Ind., that produces various cheeses and gelato flavors from goat milk raised on the farm; chive chevre crostini with spring onion and green garlic confit; goat cheese gnocchi with ramp pesto and goat cheese truffles.

Hunting for truffles; artichoke festival; farmhouse feast; a ride through cypress groves.

Five port towns along the Italian Riviera include Vernazza, Corniglia, Manarola, Riomaggiore, and Monterosso.

A silversmith's workshop; dining on oysters with chef Donal Skehan; Ireland's Eye Ferries.

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

How discoveries over the past 50 years have revolutionized people's understanding of the universe.

From Kenya to Mexico, people and wildlife find a harmonious balance in Earth's most vulnerable landscapes.

Stories of animals that survive despite being displaced by the growth of cities.

The tourist-filled Oahu; exploring the active volcanoes of the Big Island; ancient traditions of Molokai Island; Kodiak Island in Alaska.

Following the path of the Protestant Reformation; Luther500 Festival in Wittenberg, Germany.

A silversmith's workshop; dining on oysters with chef Donal Skehan; Ireland's Eye Ferries.

April Fair in Seville, Spain; Bastille Day in Paris; running with the bulls in Pamplona, Spain; Munich's Oktoberfest; a traditional family Christmas; Nuremberg, Germany's holiday market; sledding by torchlight in Switzerland.

Hunting for truffles; artichoke festival; farmhouse feast; a ride through cypress groves.

An Oregon farm grows acres of bright tulips; Louisiana scientists work to solve the mystery of what's killing America's bees; picking and packing blueberries in Florida; Pennsylvania's "barn saver.".

Havana's colonial and 19th century architectural masterpieces; Havana's harbor and Revolutionary Square; African roots influence Havana's culture.

Kiss the Tiger performs with Diane.

The story of the American suffragist movement and the friendships, heartbreak and action that brought women together and tore them apart.

A flavorful tandoori salmon; favorite kitchen gadgets under $15; a tasting of yogurt; broiled smashed zucchini with garlicky yogurt.

Grilled hilltribe chicken with kua txob; the difference between fondue and fonduta; refreshing tomatoes with fontina sauce and cornichon dressing.

Stepping into Hercule Poirot's shoes in London and Devon; Alan takes part in a performance of "Witness for the Prosecution.".

Lucy Worsley explores Agatha Christie's haunted, unconventional early life and reveals some hidden secrets.

Hudson County and the Meadowlands, from Jersey City's ferry to the Statue of Liberty to Hoboken and Weehawken; birdwatching along the Hackensack River; indoor skydiving and skiing.

The palace of Maria Theresa; Hapsburg crown jewels; a picnic on the Danube.

Samantha Brown explores the emotional heart of travel and the people who change, challenge and strengthen a destination.

Celebrating Halloween in Ireland's Ancient East; the Puca Festival; Wexford Opera Festival; sampling markets, pubs and restaurants.

Excavations within the temples of Tikal, Guatemala; a festival at the home of Mayan descendants.

Kiss the Tiger performs with Diane.