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Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

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

The French-American alliance changes the war and moves it to other theaters; navies battle off England and in the Caribbean, while armies advance in Indian Country and the South; the British take Charleston.

An adventure across Iowa's scenic byways, enjoying the historic sites, unique attractions and natural beauty along the way.

A conversation with Harry Smith, the Swan Ballet, and an accessible treehouse at the Iowa Arboretum.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

An entry-level, standing and barre workout provides a deep stretch that relieves tension and pain in the muscles and joints while rebalancing the body.

As a hurricane approaches, the Hunter kids learn about preparation and safety, moving furniture inside and checking their emergency supplies.

Lyla and Luke create and act out variations on a fairy tale; Lyla, Louis and Stu track down a lost package.

Nico and Arugula start a hamster sitter business; Carl is afraid to tell his Mama that his new shoes hurt his feet.

Daniel greets his friends at school; Miss Elaina and Katerina play space restaurant.

Phoebe, Jay and Lupe practice their fire safety plan when the fire inspector visits; Phoebe and Jay buy juice from Mr. Aguilar.

When Oscar tries to find someone disappointed by his disappoint-o-meter, he accidentally makes them happy.

Zadie must face her fear and go to the barber for a haircut; Malik discovers smart devices have limitations.

Captain Donkey and her crew search for the Ruby Red Tater Treasure; Panda finds his favorite hoodie, but it no longer fits.

Rosie helps Iggy get ready for his checkup; Rosie wants to play in the new park -- but it is a park for dogs.

Elinor finds what she thinks is a fish in the pond, but she and her friends realize it's a tadpole turning into a frog; Elinor, Ari and Olive make up a dance.

Baby Peg tells mom she wants a stray kitty for her pet and problem-solving partner; Peg and Cat scramble to make valentines.

Molly must find her mom's plane keys so she can get home in time for Mother's Day; Trini spots a talking white bird.

Daniel greets his friends at school; Miss Elaina and Katerina play space restaurant.

Zadie must face her fear and go to the barber for a haircut; Malik discovers smart devices have limitations.

Phoebe, Jay and Lupe practice their fire safety plan when the fire inspector visits; Phoebe and Jay buy juice from Mr. Aguilar.

As a hurricane approaches, the Hunter kids learn about preparation and safety, moving furniture inside and checking their emergency supplies.

Cesar Chavez helps Xavier, Yadina and Brad find the inspiration to tackle a big mess in the playroom; Dolores Huerta teaches Xavier, Yadina and Brad that it is important to speak up when they see someone in need.

Alma helps Andre prepare for a checkers tournament; Alma and Rafia compete for World's Greatest Artist.

Arthur spices up an autobiographical story with fantastic tales; Arthur's dog, Pal, gets lost at a street fair.

The Wild Kratts set off to find and re-create spider silk.

The ancient Basque Country capital of Gernika; Guggenheim Museum Bilbao.

An Italian hotel proprietor's autograph book; Margaret Keane "Big Eye" painting; collection of 1936-1939 Edward Weston photographs.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

British General Cornwallis struggles to pacify the southern states; supported by the French, a victory at Yorktown secures independence for the Americans.

Barnaby is called to investigate when a body is found in a relish factory.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Horse tour guide in Iceland; a rapper who blends Greek and Ghanaian culture; inside one of Vienna's oldest coffeehouses.

Three young adults meet industry professionals who expand our ideas of what well-being can be, from developing tools for digital wellness to laying the foundation for empathetic architectural design.

British General Cornwallis struggles to pacify the southern states; supported by the French, a victory at Yorktown secures independence for the Americans.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Strengthening and stretching all muscles and releasing joint tension or pain in the hips and hamstrings.

Benny's toy penguin is swept away by melting snow, transforming a day of sledding into an urgent rescue mission.

Lyla trains Stu to help at the diner; Stu learns how to ride a scooter.

Forrest makes too many plans on the same day; Carl and Arugula build an epic marble run but fail to get the marble to run.

Daniel and Dad Tiger go to the Dad and Me Camp-out, where they run into Katerina, who arrives with her mom; Daniel and Mom head to the Mom and Me Game Night.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

When Telly learns that earthworms are invited to Abby's garden party, his friends help him feel less scared.

Sammy plans a surprise Carnaval for his dad while Quique plans a surprise treat for his son; Malik performs a magic trick.

Bob Dog brings a ball to the Stuffie Playdate; Frannie Fox invites Donkey to her swamp, but she feels nervous about playing in it.

Rosie accidentally gives away her doll Lele on Donating Day; Rosie and Galita volunteer for Seniors Day at the Nature Center.

While delivering chocolates, the kids learn that warmer temperatures can melt treats; the kids help Mr. Raccoon calm down when he is having a bad day.

Peg and Cat help Emily Dickinson search for a rhyming pattern for her poem; shapes are being stolen.

Trini is discouraged because she can't add her own moves to the Lynx Dance; Molly hopes to catch a Yukon River king salmon.

Daniel and Dad Tiger go to the Dad and Me Camp-out, where they run into Katerina, who arrives with her mom; Daniel and Mom head to the Mom and Me Game Night.

Sammy plans a surprise Carnaval for his dad while Quique plans a surprise treat for his son; Malik performs a magic trick.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

Benny's toy penguin is swept away by melting snow, transforming a day of sledding into an urgent rescue mission.

Yadina learns that if she wants to reach the top of the hill, she must keep going; everyone has ideas that are worth sharing.

On Alma's great-grandmother's 100th birthday, Alma wants to find Bisabuela the perfect gift; even though she can think of all kinds of things that Bisabuela likes, none of them are quite right.

Arthur gets a new piano teacher; Buster volunteers to sell candy for the band.

The brothers come across a marsupial opossum while searching for Chris' lost goggles in the swamp.

Rome's Colosseum and Pantheon; bike riding along the Appian Way; Roman engineering.

A Lambert magician automaton circa 1900; Ray Bradbury archive; Fred Myrick scrimshaw tooth circa 1830.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

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.

Exploring water plants, some of which can count and hunt; some water plants escape from animals by rolling away or creating bubbles.

Inspector Barnaby investigates a web of family feuds, when a retired music teacher is found battered to death.