W41DI-D

Secret stories of love and marriage from within palace walls, including "Squidgygate," Princess Diana's Sandringham phone conversations with James Gilbey and Queen Elizabeth II's stay at the Palace of Madrid.

The royal family's race to be by Queen Elizabeth's side in her final hours at Balmoral Castle; William I the Conqueror's odorous burial in St. Stephen's Abbey in Caen, France; Prince Edward's Bagshot Park estate.

Oaxaca's extraordinary diversity is evident in both its Pacific waters and its local communities.

Ozark Mountain charm blends with university energy in Fayetteville, Ark., a city rich in music, food and tradition.

Discovering the origins of the word "resort"; the Palm Beaches in Florida.

Cultural highlights of Stockholm, Sweden's capital, include gourmet reindeer and vodka; sailing the archipelago.

Prague's massive castle, statue-lined bridge, Jewish Quarter and 20th-century history.

Belfast's Titanic Museum; a classic meal at George Best's childhood home; tapas at Ora; Noble Restaurant; Glens of Antrim Crisps.

How pigeons overcome the challenges of city life and thrive alongside people in London and New York.

How the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

Rising sea levels threaten tiny Tangier Island in the Chesapeake Bay off the coast of Virginia.

A biologist makes new discoveries about the behavior of burrowing owls as a young family of owls faces the challenges of growing up wild.

Residents and coyotes learn to coexist in the urban landscape.

Discovering the origins of the word "resort"; the Palm Beaches in Florida.

Belfast's Titanic Museum; a classic meal at George Best's childhood home; tapas at Ora; Noble Restaurant; Glens of Antrim Crisps.

Switzerland's mountains and culture; scenic train rides; exploring glaciers; making cheese the old-fashioned way.

Sailing under towering fjord cliffs; hiking glaciers; Hanseatic heritage.

A California rice farm focuses on preserving wildlife; city folks in New England help preserve a family's farming heritage; North Carolina goat ranchers; a Utah family matches ranching with recreation.

The Pinacate volcanic range along the U.S.-Mexico border has a violent history of fire and brimstone.

A woman who left her career as a journalist to become a documentary filmmaker exposes injustices in Brazilian society; street art in São Paulo; touring Embu das Artes, a community of craftsmen and artists.

Jason Kelce hosts a musical celebration of our nation's heroes, past and present; training at the United States Military Academy at West Point; members of the 3d U.S. Infantry Regiment "The Old Guard.".

The history and warrior culture of the United States Marine Corps, including its grueling training program.

Katie Lila showcases her creativity through an installation using vintage food containers at the MAC Artfest.

Banoffee pie; how to use air as an ingredient; browned butter shortbread.

Skillet chicken and rice with peas and pancetta; a review of tart pans; sweet potato shepherd's pie.

Touring three of London's palaces -- the Tower of London, Hampton Court and Kensington Palace; host Lucy Worsley.

Art scandal of the forged masterpieces in King Charles' Dumfries House; a failed 2023 assassination attempt on Queen Elizabeth II at Windsor Castle; a 2021 theft of valuable items from Buckingham Palace.

Controversy around Russian spy Anthony Blunt's long stay at the Palace in the 1980s; tumultuous history of the Scottish Crown Jewels; Diana's ascent to fashion icon; Princess of Wales' first international speech.

Exploring ornament, from living hedges to cherished keepsakes; walking the ferme ornee at Moss Mountain; floral alchemy; a gilded rooster saved from a farm fire; roasting squash.

Joseph Rosendo traces his roots in Tampa, Fla., following his immigrant grandfather's life in the 1890s; exploring Ybor City; the Cuban Club; Gasparilla Pirate Festival.

Ceará, a small state in Brazil's northeast, is home to cowboys, fishing, Brazil's most important religious shrine, its last lace-weavers and a wide array of tropical fruit.

A woman who left her career as a journalist to become a documentary filmmaker exposes injustices in Brazilian society; street art in São Paulo; touring Embu das Artes, a community of craftsmen and artists.

Jason Kelce hosts a musical celebration of our nation's heroes, past and present; training at the United States Military Academy at West Point; members of the 3d U.S. Infantry Regiment "The Old Guard.".

The history and warrior culture of the United States Marine Corps, including its grueling training program.

Renowned Irish musicians perform live across Ireland's scenic landscapes.

Music and interviews from the past season.

A cruise along the Rhine River includes a stop at Freiburg, Germany; a workshop centers on restoration pieces for Strasbourg Cathedral in France; strolling through Petite France; Heidelberg Castle; Gutenberg Museum; Cologne Cathedral.

Japanese food available at Tokyo's iconic market, from seafood to produce.

A reunited Berlin entertains more visitors than ever before.

Observing the black-necked crane in the Phobjikha Valley; the annual Ngang Lhakhang "Swan Monastery" festival in Bumthang, Bhutan.

Art scandal of the forged masterpieces in King Charles' Dumfries House; a failed 2023 assassination attempt on Queen Elizabeth II at Windsor Castle; a 2021 theft of valuable items from Buckingham Palace.

Controversy around Russian spy Anthony Blunt's long stay at the Palace in the 1980s; tumultuous history of the Scottish Crown Jewels; Diana's ascent to fashion icon; Princess of Wales' first international speech.

Ozark Mountain charm blends with university energy in Fayetteville, Ark., a city rich in music, food and tradition.

Sailing under towering fjord cliffs; hiking glaciers; Hanseatic heritage.

Scientific discoveries in North Carolina are examined.

Glenarm Castle; crossing the Carrick-a-Rede Rope Bridge; Dunluce Castle; sampling ice cream at Morelli's in Portrush; driving a hovercraft; Artis restaurant in Derry.

Sampling cheese in Piedras Negras; nachos; a walk to the Friendship Bridge over the Rio Grande; Basque refried bean tostada with avocado and Cotija cheese; lamb with pasta.

Four cheese baked macaroni with asparagus and peas; cider vinegar spritz; spicy vinegar ribs and potatoes.

Porto's iconic sandwich culture, from bifanas and pregos to the francesinha; cheese sandwich souffle; clever kitchen tips for bread and bacon.

Exploring the Pacific Crest Trail, from the deserts of Southern California on the Mexico border all the way to the Canadian border in Washington, and a journey along the hazardous 800-mile backcountry route of the Hayduke Trail.

How pigeons overcome the challenges of city life and thrive alongside people in London and New York.

How the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

Rising sea levels threaten tiny Tangier Island in the Chesapeake Bay off the coast of Virginia.

A biologist makes new discoveries about the behavior of burrowing owls as a young family of owls faces the challenges of growing up wild.

Residents and coyotes learn to coexist in the urban landscape.

The wild, colorful, surreal and fun art of the 20th century, from Spain to Hungary to Glasgow to Oslo; the work of Pablo Picasso.

Banoffee pie; how to use air as an ingredient; browned butter shortbread.

Skillet chicken and rice with peas and pancetta; a review of tart pans; sweet potato shepherd's pie.

The delicate ecosystem that sustains life in Coahuila; a traditional cabrito lunch; machacado con huevo; machaca egg scramble; rosas de strudel de manzana con hojaldre; apple strudel flower puffs.

Visiting an heirloom watermelon patch in Virginia; watermelon salad; watermelon rind pickles and slaw; watermelon and cucumber cooler cocktail; the most approachable way to cut up a watermelon.

Picking muscadine grapes at a local vineyard; homemade wine; pizza with mulled muscadines.

Buttermilk biscuits; browned butter gâteau magique; iced buttermilk sugar cookies; a history lesson on Christmas pudding.

Porto's iconic sandwich culture, from bifanas and pregos to the francesinha; cheese sandwich souffle; clever kitchen tips for bread and bacon.

How pigeons overcome the challenges of city life and thrive alongside people in London and New York.

How the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.