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A survey flight over Turkey's Lake Iznik unexpectedly reveals the sunken remains of a fourth-century basilica.

A real estate advertisement erected in 1923 becomes an international symbol of fame, fortune and the American dream.

How the "Don't Tread on Me" flag has been co-opted by a wide variety of Americans over its long history.

"Strictly Come Dancing" champions Ore Oduba and Joanne Clifton hunt for treasures with Catherine Southon and David Harper; they shop their way around Sussex and Kent buying up items to take to auction in Southend-on-Sea.

Fred discusses death when his fish dies.

Killer faces off against Sebastian Winkleplotz at the Elwood City dog show; Arthur watches Amigo while Alberto is at camp.

On their annual laundry day, the Kratt brothers disagree on whether blue oceans or green forests are better; Aviva demonstrates how oceans and forests work together.

The Hunters learn how temperatures can affect outdoor plants and gardens.

Liana and Louisa compete to see who is more outdoorsy; the Loops are bored on their camping trip until Lyla suggests a scavenger hunt.

Sheldon can't wait for Carl to play his favorite beach game; Lotta and her friends search for Lotta's lost blanket.

Daniel is frustrated when Miss Elaina would rather read than play with him; Daniel wants to play, but Prince Wednesday only wants to play with his brother, Prince Tuesday.

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

A longtime favorite of children and adults, and a staple of PBS, "Sesame Street" bridges many cultural and educational gaps with a fun program. Big Bird leads a cast of characters teaching children numbers, colors and the alphabet. Bert and Ernie, Oscar the Grouch and Grover are just a few of the other creatures involved in this show, set on a city street full of valuable learning opportunities.

Zeke and Louise plan to build a house for Snout; Kaya hopes to make a video once JunJun conquers his on-camera jitters.

Donkey and Panda search for hidden treasure; Cousin Hodie joins a day of games in Someplace Else.

When Rosie and Javi find out Tia's bringing home a dragon, they anxiously prepare for its arrival; Rosie finds a lucky charm in her backyard, but soon her luck starts to change.

Alma has to learn how to make rules that are fair for everyone when she is elected mayor of Cardboard City; Alma and Junior learn that little acts of kindness make a big difference.

The CyberSquad must launch a daring mission to rescue Jackie from the top of Mount Wayupthere.

Insight and analysis into Utah news and pressing political issues as they relate to the state.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Discovering the wildlife and landscapes of Portugal -- including wild horses, storks, monk seals and more -- from forests to coasts.

Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.

Henry VIII turned Hampton Court into a palace masterpiece, complete with the Great Hall.

Gently and Bacchus investigate after the body of a well-known left-wing academic is found by the docks.

Fifty girls from rural communities across Canada visit London to witness the coronation procession of Queen Elizabeth.

Experts analyze prominent international affairs topics and America's role in a shifting world.

Sister Catherine visits her first solo patient, who is experiencing persistent nausea; Nurse Crane, Trixie, Rosalind and Joyce participate in a women's liberation meeting.

Chance encounters for cousins Joe and Soames Forsyte, rival heirs to the family firm, throw their steady lives into disarray.

After getting his ship safely home, Edmond Dantes is betrayed and sent to prison on a false charge.

Marie Antoinette is just a teenager when she's forced to leave Vienna to marry the Dauphin, the heir to the French throne; she must produce a Bourbon heir to secure the alliance between France and Austria.

Chance encounters for cousins Joe and Soames Forsyte, rival heirs to the family firm, throw their steady lives into disarray.

After getting his ship safely home, Edmond Dantes is betrayed and sent to prison on a false charge.

Zeffirelli's production set in 19th century Paris tells the story of Puccini's young artists and lovers that share joy, passion and heartbreak.

Former Defense Secretary Jim Mattis and author Ryan Holiday discuss the war in Iran and its potential impact.

When Rattles takes over Slink's paper route, Slink is determined to prove himself and earn his job back; when the tough customers go on hike in the woods, Molly makes a few mistakes and has to apologize, but she refuses to!

An ancient stone warrior has been let loose in the Museum of Natural Odd; the Mobile Unit gets ranked low on the Odd Squad Magazine progress reports.

The gang goes on an expedition to discover the last remaining wild camels in the world.

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.

After feeling left out, Luke decides to switch places with Stu; the Loops kids throw a surprise party for their parents.

When Rattles takes over Slink's paper route, Slink is determined to prove himself and earn his job back; when the tough customers go on hike in the woods, Molly makes a few mistakes and has to apologize, but she refuses to!

An ancient stone warrior has been let loose in the Museum of Natural Odd; the Mobile Unit gets ranked low on the Odd Squad Magazine progress reports.

The gang goes on an expedition to discover the last remaining wild camels in the world.

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.

After feeling left out, Luke decides to switch places with Stu; the Loops kids throw a surprise party for their parents.

Carl surprises Sheldon with a lemonade stand, but is confused when Sheldon runs off; Carl's caterpillars turn into butterflies.

Mom Tiger shows Daniel the strawberry patch; crayons are made at the factory.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

While Abby and Elmo work together to find a lost Bubble Bug, Grover and Cookie Monster stay behind to take care of the fairy garden's magical beasties.

The Wombats build a Cause and Effect machine; Super's best friend Chanaa pays a visit.

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

The Fuentes Family gets a hammock from Abuela, but the kids must set up rules to keep things fair; Tía baked Iggy a dino cake for his birthday, but Rosie and Javi break her rule of not touching the cake, and now it's smushed.

The kids learn the best way to slide down a hill; Ari and his friends learn the importance of oral health after Ari forgets to brush his teeth.

Alma and Rafia want to keep a bird's nest safe; Alma and her friends look for a litterbug.

Trini offers to puppy-sit Tooey's newest sled dog, Khi, but ends up teaching him some bad habits; Molly makes a book about female pilots.

Simple stovetop macaroni and cheese; large saucepans; lid holders; using a whisk; turkey meatloaf with ketchup-brown sugar glaze.

Memphis-style wet ribs in the slow cooker; apple cider vinegar; mashed potato cakes.

A profile of Princess Margaret, whose life and loves reflected the social and sexual revolution in 20th-century Britain, redefining the image of the modern princess.

A Marvel Silver Age comics collection; a Moglia micromosaic plaque of Beatrice Cenci circa 1870; 1983-1999 Barack Obama letters.

This comedy series, which follows the exploits of employees at London's Grace Brothers department store, is full of sexual innuendo, slapstick, visual gags and double entendres. Much of the show's humor parodies Britain's class system, with the characters rarely calling their co-workers by their given names. Many of the show's characters are based on stereotypes, including the effeminate Mr. Humph

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

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

Cast iron lobster andirons circa 1880; a 1965 Roy Lichtenstein Shipboard Girl offset lithograph; a Japanese bronze lantern circa 1909.

A 1953 Marilyn Monroe pin-up poster; a diamond and platinum ring circa 1960; a 1910-1911 Philadelphia Athletics trophy, card and pin.

A look at a number of palaces in Britain that belong to the Royal family, such as Buckingham Palace, Sandringham House, Highgrove, and more.

This comedy series, which follows the exploits of employees at London's Grace Brothers department store, is full of sexual innuendo, slapstick, visual gags and double entendres. Much of the show's humor parodies Britain's class system, with the characters rarely calling their co-workers by their given names. Many of the show's characters are based on stereotypes, including the effeminate Mr. Humph

Rick Steves' guidebooks, public-radio program and numerous television series have made him an essential resource for travelers wishing to explore Europe. This program finds the knowledgeable host offering globetrotters a fresh perspective on lodgings, transportation and places to visit on their journeys. One thing that hasn't changed, however, is Steves' belief that travelers should become "tempor

Art and culture create a spirit of empowerment, belonging, and acceptance.

New Mexico's Vermejo Ted Turner Reserve occupies more than 550,000 acres outside of Taos; Captain Planet Foundation.

Sister Catherine visits her first solo patient, who is experiencing persistent nausea; Nurse Crane, Trixie, Rosalind and Joyce participate in a women's liberation meeting.

Chance encounters for cousins Joe and Soames Forsyte, rival heirs to the family firm, throw their steady lives into disarray.

After getting his ship safely home, Edmond Dantes is betrayed and sent to prison on a false charge.

A magical device solves problems in "What Is That Thing?"; Arthur and Buster trade places in "Buster's Best Behavior.".

The Mobile Unit is called to Pinehurst, N.C., to stop a villain who is stealing various objects.

A miniaturized Chris gets stuck to a bee.

A foggy Halloween almost derails Corky and Lily's trick-or-treating.

Lyla gets a strike her first time bowling but gets frustrated when she realizes bowling isn't as easy as she thought it was; Lyla feels left out when Everett and Ale's friendship thrives.

A magical device solves problems in "What Is That Thing?"; Arthur and Buster trade places in "Buster's Best Behavior.".

The Mobile Unit is called to Pinehurst, N.C., to stop a villain who is stealing various objects.

A miniaturized Chris gets stuck to a bee.

A foggy Halloween almost derails Corky and Lily's trick-or-treating.

Lyla gets a strike her first time bowling but gets frustrated when she realizes bowling isn't as easy as she thought it was; Lyla feels left out when Everett and Ale's friendship thrives.

Lotta is frustrated learning a new dance, but realizes it is ok to experience music in her own way; Sheldon worries about telling Carl that he doesn't want to play pirates anymore.

The whole neighborhood helps Dr. Anna and Baker Aker celebrate their wedding, including Daniel, who has an important job as ring bearer.

Phoebe and Jay use a checklist to guide them through their tasks; Jay creates his first comic book and learns about the importance of page order.

Elmo's bike is great, but Abby's bike might be even better; Tamir teaches Elmo how to deal with feeling jealous and to enjoy the things Elmo already has.

Devonte J. Squirrel moves to the Treeborhood; Devonte and the Wombats create a machine that makes ice cream using a bike.

Donkey tries to act like a bird at Duck Duck's bird party, but she does not enjoy herself; Grampy and Donkey miss Gregory while he is away at camp.

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

Elinor and friends build a log bridge over a stream; the kids set out to learn everything they can about blinking when Ari is crowned the blinking champion at school.

Inspired by Supreme Court Justice Sonia Sotomayor, Alma tries to help her friends determine what's fair; Justice Sotomayor encourages Alma to be an umpire at a kickball game.

Molly makes it her mission to show Trini the Northern Lights; Molly realizes she wants to play the drum instead of the fiddle, but has to figure out how to tell her friend, Oscar, that she won't be taking lessons from him anymore.

Pizza al taglio with arugula and mozzarella; black pepper; pasta alla gricia.

Grilled bourbon steaks; dill pickle spears; instant-read thermometers; grilled broccoli with lemon and parmesan.

Desperately poor, Fantine leaves Paris to find work and must make a heartbreaking decision to give her daughter Cosette a better way of life; Jean Valjean forges a new identity and Javert is determined to catch him out.

An autographed TIME cover collection; an 18th-century flambe Meiping vase; a 1957 Roy Rogers contest prize.

A job applicant shares stories of his army experiences with Capt. Peacock.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

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

Research into the ancestry of singer Lea Salonga and actress Amanda Seyfried reveals relatives who survived heart-wrenching ordeals.

Panelists explore the challenges and dilemmas around online sports gambling and its impact on young men.

An explosive deep dive into the decades-long quest by America's conservative political machine to amass power by exploiting racial fault lines and stoking narratives of White victimization.

Krakow, Poland; Wawel Castle; Polish cuisine, including pierogi; Nowa Huta offers a nostalgic spin through the Cold War days; Auschwitz-Birkenau concentration camp.