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Visit a peacock farmer and meet a professor who hiked across Iowa to document changes.

Original American monuments and the stories behind American favorites, from the Vietnam Veterans Memorial to Confederate soldier monuments.

Engineering feats that made modern civilization possible, from the connection of roads and bridges to rail networks and a continent-wide freeway system.

The road to war with Iran, the U.S. and Israeli roles, and the stakes for the region; an updated presentation, tracing Benjamin Netanyahu's long campaign to defeat Iran and his relations with the U.S. over peace and the regime's nuclear ambitions.

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

A workout focusing on the back, core and knees helping to relieve any pain or discomfort.

After a groundhog predicts more winter weather, Benny is convinced he will have snow on his birthday so he plans a snow-filled birthday party.

Liana and Lyla put together a puzzle with more than 1,000 pieces; Lyla and Luke construct a train using household materials.

Carl's favorite sour pickle scratch-n-sniff sticker loses its smell; Carl notices that his baby blanket, Knit-Knit, has a hole in it.

Daniel finds out he is going to be a big brother; Daniel wants to help prepare the baby's room but struggles with having to give up his old things for his new sibling.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

The wombats invent a color game; Super invents a Huggyback rider.

Duck Duck enjoys "me time" at the beach; the pals like different things at Donkey's sleepover.

Rosie tries to be a reporter but has trouble finding things that are newsworthy; Rosie and Jun believe there is a jalapeno giant on the loose.

The kids take a field trip to a cloud forest and learn that clouds have water in them; the kids learn how crayons are made.

Peg and Cat rescue Baby Fox from the top of his block tower; Peg and Cat search for the wizard Ramone, who has floated away.

Molly makes Grandpa Nat's secret nivagi recipe for the Qyah Ice Cream Competition; Molly helps Nina and Dr. Antigone band baby cranes.

Daniel finds out he is going to be a big brother; Daniel wants to help prepare the baby's room but struggles with having to give up his old things for his new sibling.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

The wombats invent a color game; Super invents a Huggyback rider.

After a groundhog predicts more winter weather, Benny is convinced he will have snow on his birthday so he plans a snow-filled birthday party.

Xavier learns that he is a special person just the way he is after he has a playdate with Fred Rogers.

Alma and her family spend the day saying yes to everything; Alma helps Junior and Emi test a hypothesis.

D.W. tells her friends she is a fantastic skater, but she really is not; Muffy tries to prove to her friends that she is not spoiled.

Chris and Martin challenge the gang to a new creature game when Aviva reveals her new Fishmobile invention.

The Eiffel Tower; cruising the Seine; visiting the market for fresh food and flowers; window-shopping in Paris; a nighttime ride through the city.

Charles "Heinie" Wagner Red Sox archive; Carl Schweninger oil painting circa 1850; a 1975 "Yellow Submarine" jacket made for Karen Carpenter.

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

Some of America's best railway adventures, from the Rocky Mountaineer to the Skyrail, these stories offer a glimpse into our nation's railroad history and explore how railroads defined the spirit of North America.

An educational journey through several of The Beatles' milestone albums and the stories that accompanied them.

A look at milestone albums of The Beatles and the stories that accompanied them.

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

Harvard University medical historian Eram Alam describes the public health challenges posed when immigrants are met with suspicion in the communities they serve.

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

From Africa to Sri Lanka to Iceland, animal babies learn the most basic tools for survival during the first three months of life.

Baby animals face new challenges as they learn how to get around on their own, from searching for food to surviving in harsh environments.

Baby animals approach the end of their first year of life, branching away from their mothers and exploring the world on their own.

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

Relieving tension in the lower back with posture and hip isolation exercises.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

Lyla struggles to sleep and tries to figure out what is wrong with her sleep routine; Lyla tries to do her own hairstyle.

When Nico teases Carl about bikes being for babies, he sets out to prove Nico wrong; Carl and his Fuzzytown friends can't wait to build a tree fort, but Carl has a hard time working as a team.

Daniel learns the importance of keeping the needs of others in mind; Daniel wants to be loud, but Margaret needs to sleep.

Jay and Lupe use wayfinding signs to track down Phoebe; Pete and Craig face an epic hoops battle on the courts.

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

Malik makes Snout less stinky; the Wombats and their friends make a special thank-you treat for Super.

Duck Duck learns how to fix her broken bookcase; Donkey welcomes Greeble the Treeble to Someplace Else.

Rosie, Javi and Uncle Steve use landmarks to get to Calvin's bakery; Rosie, Iggy and Javi lose their Easter eggs.

The kids make their own instruments so they can participate in Señor Tapir's concert; when Elinor's dad falls asleep during a campout, the kids use flashlights to communicate to each other.

Peg and Cat sort out recyclables, helping to clean up the park for the Halloween Parade; a metal monster pursues Peg and Cat while trick or treating.

Molly plants fireweed in hopes of attracting a rare hummingbird; she must handle a surprise shipment when she organizes the Trading Post in preparation for winter.

Daniel learns the importance of keeping the needs of others in mind; Daniel wants to be loud, but Margaret needs to sleep.

Jay and Lupe use wayfinding signs to track down Phoebe; Pete and Craig face an epic hoops battle on the courts.

Malik makes Snout less stinky; the Wombats and their friends make a special thank-you treat for Super.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

Brad learns that asking questions can help him feel less afraid; overcoming a challenge makes Yadina feel proud.

Alma learns that practice makes perfect; Alma takes being Junior's "super sister" too far.

Francine suspects Ladonna is leaking secret team info when Ladonna becomes friends with a new soccer player; the city council votes to close Elwood City Library.

The Wild Kratts team travels across the world to name all the baby animals.

A look back at the Roman-tinged Hippodrome; ancient ritual of the Turkish bath; the Blue Mosque; the grand Hagia Sophia; Spice Market; exploring Topkapi Palace.

A Disney Carrier gouache painting circa 1942; a pearl, diamond and platinum brooch; a William H. Johnson oil circa 1928.

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

The Texas Tenors perform classic hymns and contemporary music, from "Amazing Grace" to "You Raise Me Up.".

Celebrating the timeless legacy of country music with performances of classic hits by trailblazers including Willie Nelson, Johnny Cash, Kris Kristofferson, Waylon Jennings, Kenny Rogers and Dolly Parton.

The band Dervish celebrate the Irish tradition of song with special guests David Gray, Imelda May, Moya Brennan, The Indigo Girls, Kate Rusby and more.

Tracing the band's whirlwind rise in 1963-1964; the creation of "A Hard Day's Night" feature film; the recording of songs like "I Should Have Known Better," "Can't Buy Me Love" and "Tell Me Why.".

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

All-female news analysis of issues and policy affecting the U.S.

Bloomin' Wooly Acres in Nashua, Iowa, grows Brussels sprouts; chef Paul Durr offers unique ways to cook with Brussels sprouts.

Reconstructing the royal wedding of Queen Victoria and Prince Albert, including the stories behind the dress, food and music.

A reconstruction of Queen Victoria and Prince Albert's royal wedding, including the wedding breakfast.

Jogging in Hyde Park; British Museum; Victoria and Albert Museum; East End food tour; celebrating London's regeneration.

Visit a peacock farmer and meet a professor who hiked across Iowa to document changes.

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

An all-standing, full-body workout that focuses on slenderizing the waist.

It's an exciting day for Lily and her family when they move into their new house.

Lyla and her siblings figure out a new morning routine so they won't miss the bus again; Lyla wants to learn a popular clap and dance sequence -- the Carrot Cake dance.

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 gets upset when Dad interrupts their playtime so he can care for baby Margaret; Daniel is upset when Prince Wednesday wants to play with the baby instead of him.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

Measuring helps the Wombats make a new hat for Ellie; the Wombats clean up a big mess.

Bob Dog has trouble playing Purple Putt-Putt by the rules; the pals try outfits from Harriett's invention.

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

Junior Ranger Elinor and Ranger Rabbit's favorite forest spot is ruined by a fire; Ari is upset because Miri gets all the attention.

Peg and Cat work on the set for the Radio City Music Hall Blockettes; Peg and Cat settle a tiff between two neighbors by giving them flowers.

When one of Connie's prized turkeys goes missing on Molly and Tooey's watch, it's up to them to track it down; Molly, Tooey and Trini decide to build their own sailboat and voyage to distant waters.

Daniel gets upset when Dad interrupts their playtime so he can care for baby Margaret; Daniel is upset when Prince Wednesday wants to play with the baby instead of him.

Examines how the tractor industry changed focus and started working toward making mechanized farming part of everyday life in rural America; tractor makers fought for market supremacy as each company improved on the basic design.