WUNE-DT

Researchers around the globe gather data on how forests work and try to figure out how these ecosystems can help tackle threats of climate change and species extinction.

Historian James Holland explores how amphetamine use affected the course of World War II.

Uncovering the lasting impact of ragtime composer Scott Joplin on today's orchestras; a restaging of Joplin's magnum opus "Treemonisha" for the 21st century.

A look at America's founding and how the ideas and values articulated 250 years ago remain relevant to conversations about governance today.

Traveling the Dordogne River via traditional boats through the green heart of southwest France; drinking wine and hunting for truffles; riding a luxury cruiser to a lighthouse built for a king.

The Mississippi River stretches far beyond the Deep South, into nearly half of the United States.

Red tacos with queso fresco and piquin salsa verde; piquin salsa verde; hash, corn, chorizo and eggs.

Honey-roasted peanut crispy rice treats; honey-glazed chicken thighs; reviving crystallized honey; a spiced honey cake pie.

The Mississippi River stretches far beyond the Deep South, into nearly half of the United States.

Exploring the people and wildlife of the Zambezi, Africa's wildest river, from surfers riding the waves in deep gorges to elephants battling rapids above Victoria Falls.

Exploring Europe's Danube River, including secret tributaries, baby turtles and a waterfall riding kayakfdrder.

Remote and wild, the Yukon is a river of extremes, providing a home for bears, moose and salmon and has sustained people for centuries.

Honey-roasted peanut crispy rice treats; honey-glazed chicken thighs; reviving crystallized honey; a spiced honey cake pie.

Set in Antarctica's Dry Valleys, Antarctica's glacial and icy ecosystems reveal how frozen landscapes can sustain surprising life forms.

Sidney seeks oblivion while Sam seeks forgiveness; parents seek revenge for their dead daughter; Amanda seeks Sidney; Leonard takes a stand.

Sidney is distracted from his Christmas duties; when a man is found dead with wedding rings lodged in his mouth, Geordie is horrified -- it has all the hallmarks of an old unsolved murder.

Sidney is conflicted about his feelings for Amanda; a man is found murdered in a peculiar position.

After a mass poisoning at a local cricket match leaves a young batsman dead, Sidney and Geordie must determine if it was an accident; Sidney and Amanda's secret is out.

Sidney and Geordie try to connect a murder to a series of post office robberies.

Sidney and Geordie look into the killing of a young factory worker; someone from Mrs. Maguire's past resurfaces.

Both Sidney and Geordie try to right a wrong; Mrs. Maguire turns over a new leaf; Amanda gives Sidney an ultimatum.

The village comes together to search for a missing boy; Sidney, Geordie, Leonard and Mrs. Maguire forge a new path.

Sidney is swept up in the civil rights movement after a pastor and his daughter arrive in Cambridge, and a murder sees racial tensions spike; Sidney struggles to remember a murdered woman's final words.

Geordie asks Leonard for help when investigating the death of a professor at a computer laboratory; Will returns to Grantchester; Mrs C makes a shocking discovery.

Will is the only one able to reach a child from a farming family who is accused of murder.

Following the journey of orphaned elephants at Reteti, the first community-owned elephant sanctuary in Africa.

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.

The search for the lost remains of formerly enslaved Black Union soldiers who were murdered after the Civil War.

Tiffany Studios lily sconces circa 1905; a 1904 Philadelphia quilt; a Chinese and Japanese decorative art collection.

Lucy Worsley investigates the 18th century breakup of Britain and America, including the turning points that led to America's Declaration of Independence from Britain in 1776.

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.

Edinburgh Castle; the new Scottish Parliament Building; Her Majesty's Yacht Britannia.

Sister Catherine is distressed when a newborn baby is taken from the maternity home.

Jo recommits to his family; Soames and Irene's Parisian honeymoon is cut short.

Five years after reinventing himself as the Count of Monte Cristo, Edmond tracks down the men who betrayed him; Mercedes feels uneasy in Edmond's presence.

Wheel the World in Decatur; Huntsville's Paralympic cycling events; Noccalula Falls; Little River Canyon; history in Helen Keller's hometown; wheelchair-friendly attractions; accessible dining.

Need More Acres in Scottsville, Ky., grows its community by providing fresh food; a vibrant vegetable soup with kale pesto; eggs in purgatory from an abundant tomato crop.

A powwow on Manitoulin Island in Ontario; hiking along the Niagara Escarpment; French River; artists showcase Canada's natural beauty.

An international group of specialists restores centuries-old pipe organs in Oaxaca, Mexico.

Singer-songwriter Chastity Brown; singer-songwriter Humbird.

Uncovering the lasting impact of ragtime composer Scott Joplin on today's orchestras; a restaging of Joplin's magnum opus "Treemonisha" for the 21st century.

A look at America's founding and how the ideas and values articulated 250 years ago remain relevant to conversations about governance today.

DJ and musician Tom "Papa" Ray visits record stores around the U.S. and the world.

Germany's port city of Hamburg, post-World War II; historic sites of Martin Luther and the Reformation, including Erfurt, Wittenberg and Wartburg Castle; Wurzburg in Franconia.

Exploring Taiwan by its extensive train system.

Mapping the roots of actress Kate Burton and media mogul Barry Diller.

Tiffany Studios lily sconces circa 1905; a 1904 Philadelphia quilt; a Chinese and Japanese decorative art collection.

A 1929 New York Yankees partial team-signed ball; a New Mexico mining league trophy and photos; a Plains Indian child's beaded shirt.

Lucy Worsley investigates the 18th century breakup of Britain and America, including the turning points that led to America's Declaration of Independence from Britain in 1776.

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.

Jewish-style potato latkes; kimchi jjigae.

Journeying through Connemara's rugged coast; sailing to Inishbofin where castles, abbeys and island folklore come alive through music and storytelling.

Back-street fish markets; pizza; climbing Mount Vesuvius; the ruins of Pompeii.

Marin Alsop, the first person to lead a major orchestra in the U.S., South America, Austria and Great Britain, conducts the Baltimore Symphony Orchestra and teaches conducting at the Peabody Institute of Johns Hopkins University.

When tragedy strikes a local family, Dr. Turner's treatment comes under scrutiny; Trixie worries about the future of midwifery in Britain.

Disaster strikes at Forsyte & Co. as Soames puts an end to Irene's Parisian dreams; Louisa faces a shock eviction.

Edmond continues to infiltrate the lives of his betrayers, uncovering more dark secrets; Mercedes starts to suspect Edmond's true identity.

Mapping the roots of actress Kate Burton and media mogul Barry Diller.

Items reflect 250 years of American art, artifacts, crafts and collectibles; finds include a flag quilt circa 1880, a Tiffany Studios turtleback glass shade circa 1915 and an 1884 Edison light bulb.

Lucy Worsley investigates the 18th century breakup of Britain and America, including the turning points that led to America's Declaration of Independence from Britain in 1776.

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.

Capturing the winter beauty of Park City, Utah.

Discovering the culture, history and flavor of New Orleans through the eyes of dynamic women shaping its future; Commander's Palace; exploring City Park, jazz halls and Mardi Gras traditions.

Need More Acres in Scottsville, Ky., grows its community by providing fresh food; a vibrant vegetable soup with kale pesto; eggs in purgatory from an abundant tomato crop.

Back-street fish markets; pizza; climbing Mount Vesuvius; the ruins of Pompeii.

Cruising the River Seine; Napoleon's tomb; Louvre; shopping in Paris; Bastille Day celebration.

Journeying through Connemara's rugged coast; sailing to Inishbofin where castles, abbeys and island folklore come alive through music and storytelling.

Following the journey of orphaned elephants at Reteti, the first community-owned elephant sanctuary in Africa.

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.

The search for the lost remains of formerly enslaved Black Union soldiers who were murdered after the Civil War.

From pythons in Bangkok to otters in Singapore, a look at the extraordinary ways wildlife is making itself at home in the world's cities.

Animals travel in and out of cities for food, shelter and to start a family.

A powwow on Manitoulin Island in Ontario; hiking along the Niagara Escarpment; French River; artists showcase Canada's natural beauty.

Journeying through Connemara's rugged coast; sailing to Inishbofin where castles, abbeys and island folklore come alive through music and storytelling.

The capital city of Dresden, Germany's palaces and art of the Wettin dynasty; Leipzig's Bach heritage, a monument to the day Europe beat Napoleon and museums.

Back-street fish markets; pizza; climbing Mount Vesuvius; the ruins of Pompeii.

Apples in New York; an Ohio farm family finds new ways to market their products to overseas consumers; carrot soup recipe; an Ohio family takes a global approach to farming.

A look at the highlands of Chiapas where the towns and villages retain traditional pre- Columbian governments.

Singer-songwriter Chastity Brown; singer-songwriter Humbird.

Uncovering the lasting impact of ragtime composer Scott Joplin on today's orchestras; a restaging of Joplin's magnum opus "Treemonisha" for the 21st century.

A look at America's founding and how the ideas and values articulated 250 years ago remain relevant to conversations about governance today.

Host Fiachna Ó Braonáin, singer-songwriters Wallis Bird and Evie join concertina wizard Brenda Castles to share songs, stories and tunes about bees, folklore, Germany and more.

Maple pork chops with sweet potato-bacon hash; reviewing enameled cast iron skillets; how to defrost food quickly; leek, fennel and squash soup with sausage.

Tasty tacos in Tucson, Ariz.; smoky mesquite-grilled tacos rasurados; portable burners.

Exploring how the American Revolution affected Britain, with sabotage, espionage and political unrest reshaping the empire.

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.

Rick Steves cruises the Seine, visits Sainte-Chapelle and takes a vibrant tour through Paris; the Louvre Museum; Palaces of Versailles; climbing the Eiffel Tower.

Exploring Virginia's history starting at Jamestown; Colonial Williamsburg; Punjabi cuisine at Masala Craft; rare instruments at the Virginia Musical Instrument Museum; exploring Yorktown's battlefields and Revolution Museum.

Hiking through Taiwan's Taroko Gorge, a marble-walled gorge and national park; leisure farms offer rural settings, traditional folk activities and do-it-yourself arts and crafts.

Brazil's capital city of Brasilia sits on a plateau that is also home to rugged cliffs, streams and waterfalls, Indigenous communities, homesteads of pioneering families and habitats only found in these mountains.

Singer-songwriter Chastity Brown; singer-songwriter Humbird.