WKOP-DT

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

Geoffrey Baer meets dancers, musicians, architects and writers in Havana and experiences the color, culture and history of the city.

Idaho state gems and gold nuggets circa 1905; 1935 Gum Inc. Mickey Mouse cards; 1826 portraits attributed to the Guilford County Limner.

A 1980 Topps basketball cards box; Marvel The Amazing Spider-Man comics; an Alexej von Jawlensky Meditation oil.

A workout to develop a stable and aligned spine by strengthening the entire core musculature, from the abdominals to the back.

Aviva's sub prototype gets sucked into a battle between a sperm whale and giant squid.

Dot and Al announce the Hunters are spending Christmas in Nigeria, and Corky wonders if she can have a fun Christmas without snow.

Lyla and a new friend build a spaceship; Lyla learns her sisters can predict what the other wants, so she tries to do the same with Luke.

Carl blames Nico when his special crayon breaks and Nico blames Carl when his drawing rips; Lotta tries to learn to play the alto saxophone.

The children work together to create a dancing dragon; Mom Tiger helps the students decorate the classroom for Teacher Harriet's birthday.

Phoebe and Jay create a game show for Grandma; Phoebe and Jay must find the best way to spend the community coin jar money by taking a building-wide vote.

Elinor and her friends play Hide-and-Go-Seek but are unable to stay hidden from the Goat twins; an owl inspires Elinor's costume for Costume Day.

Cookie Monster gets tired from pushing his cart, so Abby uses magic to make the cart move on its own; Grover tries to deliver boxes.

Four kids feel like they don't belong on their first day of school until they learn that friendship and fun come from sharing who they are.

Danielle Forestier bakes French breads including baguettes, boule and pain de Champagne.

The musical roots of Karen and Richard Carpenter with performance footage and television interviews; songs include "(They Long to Be) Close to You," "Superstar" and "We've Only Just Begun.".

Grammy Award-winning mariachi singer Vicente Fernández performs a historic farewell concert at Mexico City's Estadio Azteca.

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

Coverage from Washington, D.C. and London, with a regular panel of guests from across the political spectrum discussing the biggest stories of the day.

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

Filmmakers Ken Burns and Dayton Duncan reveal behind-the-scenes stories about the making of "The National Parks: America's Best Idea.".

With more than 80,000 wild horses on federal lands and more than 50,000 in government corrals, filmmakers Steven Latham and Conrad Stanley reveal why the protection of America's wild horses is more important than ever.

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

Twenty-four hours a day, the latest national and international stories as they break.