In Yellowstone Park, visitors can see many indigenous animals in their natural habitat and wonder at the park's natural hot springs.

Lindsey Vonn describes her early days on the slopes, the encouragement she received from her father, and coming back from the many injuries she has endured on her way to becoming a champion skier. She also talks about her decision to compete against men in alpine skiing.

Geysers represent a very popular tourist attraction in Yellowstone Park. How do they work and where do they come from? And what is sandstone? The video answers these questions.

Watch some coverage of the People's Climate March that was timed to coincide with the UN Climate Summit in New York City. The march was attended by 400,000 people.

In this segment, we learn about the role weather plays in the creation of rock formations in the national parks of the United States.

We learn more about how water interacts with the minerals in the rocks, and visit Monument Valley, a popular spot for filming westerns and commercials.

Here are some words to help answer the question "Which one?" We distinguish between singular and plural as well as between something close to us and far away.

"Brexit" is a portmanteau that blends "Britain" and "exit", and refers to Britain leaving the European Union. The decision was made by referendum, in which a narrow majority of British voters chose to leave the European Union. This video (part 1 of 3) succinctly outlines the plans that Britain's Prime Minister and the Members of Parliament are grappling with on the eve of Britain's exit from the European Union on March 29, 2019.

Peg Harris shows off her cozy New York City art studio and some of the tools she works with as a painter and printmaker.

The Colorado Plateau and the Grand Canyon are just a few of the amazing geographical features of the Southwestern United States.

This segment outlines the advantages and the drawbacks for British businesses in different versions of Brexit. The rights of British citizens living in EU countries and EU citizens living in Britain are also discussed.

Peg Harris shows us some of her work, including several paintings of the Union Square Market in New York City.

We visit Bryce Canyon, where valuable fossils have helped understand the geological history of the planet. The sandstone spires of the canyon are breathtaking.

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.

Peg tells us about oil pastels, which she loves using. She then goes on to show us her workbench, with its cubbies and drawers of different kinds.