KETZ-DT

A rocky stream gently ripples through the forest mist.

Some trees, such as American holly, sweet tupelo, bald cypress and dawn redwood have lives spanning hundreds of years -- influencing and inspiring the people around them.

Jenn visits Washington's Cherry Blossom Festival and plants a tree; Mark learns how Mount Rushmore was built and shows stone cutting; Nathan visits Abe Lincoln's house then replaces mortise hardware.

Tiger expert Valmik Thapar uncovers 50 years of archival footage chronicling the tiger clan of northwestern India's Ranthambore National Park.

Isabella Tree and her husband, Charlie Burrell, strive to breathe new life into the ailing Knepp estate. They reintroduce native ponies, deer, pigs and other wildlife, allowing nature to thrive.

Scientists try to figure out how to predict weather events called "rain bombs" that sink ships and down planes.

Poses that focus on three elements -- space, earth and water.

Rebalancing, stretching and strengthening the hips and psoas.

Martin and Chris stumble upon a rare and endangered seedling of a butternut tree; while looking for its parent tree, they only discover dead ones.

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

Lyla and Everett play basketball against their moms; Lyla and Luke restore their old toy car to make it special for Stu.

Carl can't wait for the ice cream festival; Carl is upset that he has to wear a cast on his broken wrist.

Daniel and his friends play T-ball and find that Henrietta is a dance teacher and a T-ball coach.

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

TJ is excited to meet his favorite comic book artist Bobby Manalo, and to make him feel welcomed on Sesame Street, TJ makes him a comic book gift with the help of Tamir; while working on it, Tamir also learns to say a few words in Tagalog.

Daniel and his friends play T-ball and find that Henrietta is a dance teacher and a T-ball coach.

Donkey feels jealous when Grampy gives Panda a piano lesson; Duck Duck is disappointed when she misses her favorite band.

Rosie, Javi and Papa use different kinds of transportation to bring Tia her lucky spoon before her train leaves; Crystal's disc gets stuck in a tree.

Martin and Chris observe wild cats and dogs interacting with each other on the African savanna.

TJ is excited to meet his favorite comic book artist Bobby Manalo, and to make him feel welcomed on Sesame Street, TJ makes him a comic book gift with the help of Tamir; while working on it, Tamir also learns to say a few words in Tagalog.

Lyla and Everett play basketball against their moms; Lyla and Luke restore their old toy car to make it special for Stu.

Martin and Chris stumble upon a rare and endangered seedling of a butternut tree; while looking for its parent tree, they only discover dead ones.

A W.W. Denslow-inscribed "The Wonderful Wizard of Oz"; a Mercury space capsule wind tunnel model; black opal ring.

Scientists try to figure out how to predict weather events called "rain bombs" that sink ships and down planes.

A look at real world technologies that could help the U.S. achieve the goal of 100% zero carbon pollution by 2035.

Some trees, such as American holly, sweet tupelo, bald cypress and dawn redwood have lives spanning hundreds of years -- influencing and inspiring the people around them.

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.

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

Exploring the layered sounds of Istanbul where empires met from European classical music to modern jazz.

Jazz and blues musicians from around the globe gather to celebrate the power of music; host Jeremy Irons.

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

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

A snow-covered landscape with an icy pond and cabin.