The last segment focuses on Australia. We visit the Warrawong Earth Sanctuary, where there are breeding programs to reintroduce such indigenous animals as bandicoots and quolls, creatures that came close to extinction.

Annette talks about the Wild West, and takes us to a famous gold mining town in South Dakota that was an important part of United States history.

The Barber Motorsports Museum's staff talk about how they source motorcycles and parts. We go along with them as they visit flea markets and high-end auctions.

The segment focuses on the alien striped iguanas of the Galapagos Islands, albinism in a variety of animals, and the peppered moth.

Welcome to the world's greatest collection of restored and functioning motorcycles. From the dirtiest barns to the most exclusive auctions and private collections, they'll go anywhere to track down a bike. From Paloma productions.

Stevie Salas and Christina Fon discuss what is next for the film Rumble: The Indians Who Rocked the World as it premieres around the world.

We leave the macaques in Gibraltar to travel to the Galapagos Islands to learn about marine and land iguanas.

Stevie Salas and Christina Fon talk about striking the right balance between entertainment and a political message, and what they hope their film will achieve.

The filmmakers talk about some of the people they wanted to interview for the documentary. Sometimes it just took time, and in a few cases it didn't work out at all. For Christina, one highlight was getting to interview writer and activist John Trudell before his death in 2015.

The two filmmakers who created Rumble talk about how Native American musicians like Link Wray were idols in the eyes of famous performers, but totally unknown to the general public.

Barbary macaques are among the most popular tourist attractions in Gibraltar. The apes have a taste for junk food, which enables tourists to see them up close and allows scientists to easily capture them for research.

Cabrinha product development staff and distributors have a sweet annual meeting in Maui to talk business, test kiteboards, and even sing and strum Bob Dylan tunes.

Filmmakers Christina Fon and Stevie Salas are interviewed about Rumble, their documentary exploring how Native American musicians have influenced rock n' roll.

People are increasingly interested in seeing animals in natural settings, so traditional jail-like zoos are giving way to open-plan zoos, and to eco-tourism.

In final segment of this BBC series, we visit two more cities hosting the World Cup: Nizhny Novgorod and Moscow.