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.

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.

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

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

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.

Londoners interviewed at Borough Market describe the great variety of thriving cultures – with an emphasis on cuisine – in their city.

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.

London's West End is the focal point for this video, and the narrator has some good tips on buying discounted movie and theater tickets.

This video provides some helpful advice on getting around London, including pointers on cabs, double-decker buses, and the Underground.

This is a short video showing some of London's best-known sights, such as Trafalgar Square, Tower Bridge, and the Tate Modern.

New Zealand's Hobbiton movie set, where large parts of the Lord of the Rings movies were filmed, is the site of this unusual cricket game. Playing in bare feet is one of the curious rules for the match.

Rosie and Julian, siblings from Canada, travel to London where they put on their deerstalker hats and unravel a mystery. They're provided with clues about Big Ben's shape and then have to find the building. Both kids are also really impressed by the double-decker buses.

Luana and Austin have been traveling around Latin America. They take a break and share their interesting story with us.

The kids now look for "The London Eye," with the hint that it is something that people can ride on. Once they find it, they go to take a look at the Tower Bridge.