The city of Oxford is home to some 150,000 residents and a famous seat of learning, the oldest English-speaking university in the world. Although the exact date of its founding isn't known, it is said that local priests and monks were first taught in monastery schools in the area in the eleventh century.

Luana and Austin get stuck in Indonesia when the borders close and their flight home from Bali is unexpectedly canceled. Austin calls the travel agency to ask for a refund, and the couple must act fast to make alternative arrangements. Luckily, they feel they can make the most of their situation.

Merve feels lucky to live in Kamloops, a small city in southwest Canada, and you can see why! It’s a beautiful place, surrounded by wilderness on all sides. Merve tells us about the area's mountains, grasslands, rivers and lakes, the gold rush of the late 19th century, and its wealth of fascinating wildlife.

“English Hipster” Tom grew up around here, so who better to introduce us to this lively and colorful North London area, with its famous market and fiercely alternative soul.

More than 800 million people around the world use the social media video platform TikTok. However, some governments around the world are concerned that the Chinese-owned app allows the Chinese government to access people's data.

Maggie has just landed in Mexico, and heads straight for Tulum, a once crucial trading post for the Mayan civilization, with spectacular clifftop ruins.

John has fond memories of exploring New York City with his father. He remembers the Chelsea neighborhood as an area where not much was happening — a "no man's land," as he calls it. However, it’s changed a lot since then.

In the next 35 years, we’ll have to produce more food than all of the world’s production over the last 2000 years combined. So what will the farms of the future look like?

The travel kids visit a town almost completely covered by volcanic rock some twenty years before. There’s not a great deal left of it for them to see! They walk out onto the glassy and slippery surface of the lava flow, where volcano expert Ken takes a sample of some liquid rock to measure the temperature. It’s super hot, and Julian makes the excellent decision to keep his hands well clear!

Rosie and Julian are in Hawaii discovering land formed from red-hot molten lava that erupted from the center of the earth. With the help of friendly volcano expert Ken and his friend Terri, they learn about a volcano that is taller than Mount Everest, and about Pele, the goddess of fire.

World Wildlife Fund: Making sustainability a priority, the Marshik Dairy — a fifth-generation family farm — implemented a new, technologically advanced and energy efficient barn design for their 155 cows. The new design included robotic milking facilities, energy efficient lighting and ventilation, and renewable wind and solar power.

Here's a video from the World Wildlife Fund. Traditionally, anaerobic digester systems have not been practical on small dairy farms, but this didn’t stop Sensenig Dairy, a 100-cow farm, from pursuing its goal. Then Sensenig teamed up with the local community to collect enough waste to produce 1,401,600 kilowatt hours of electricity per year from "trash" that would otherwise end up in a landfill.

The narrator explains how the breathtaking rock formations of Antelope Canyon came to be, and why mountains around the world can provide a metaphor for human existence.

In this segment, the narrator explains where the name Bryce Canyon came from, and why the sand dunes in the US and the large deserts of the world might be related.

The focus of this segment is on the Chequers Deal, the preferred deal of Prime Minister Theresa May, which blends aspects of both Hard and Soft Brexit deals. It also outlines what could happen if no deal is struck by the deadline.