After a little wait, Palin realises a dream by catching a boat on to the Amazon River. Bogotá, Colombia, is described by Palin as "trading one jungle for another." With a guide, he discovers why the Colombian capital is one of the most dangerous places on earth. He learns that most of the trouble stems from the drug trafficking in the country. He then travels down Bullet Street, arguably the most violent street in the city. Here, rocks are thrown at the car Palin and his guide are travelling in. He then offers to take him to lunch; however, his guide declines, stating that the restaurant he is going to is owned by the father of a drug trafficker. Palin, however, continues, and is granted an interview with horse breeder and close friend of Pablo Escobar, Don Fabio Ochoa, who at one point was the father of 3 men on the FBI's 10 most wanted list. Continuing north, he visits an emerald mine and some of the workers there. Then, it is on to Cartagena, where he hops on a party bus, celebrating the end of his nine weeks on the South American continent. Episode Ten: Mexico, Western USA, Canada and Alaska In Mexico City, Palin attends a lucha libre match and listens to a lively mariachi band. The next day, he observes the darker side of the city, as a graffiti protest is being led by a lucha libre wrestler named Super Barrio. On to a small village outside of Querétaro, he helps a lady make tortillas. He then catches a bus to the town of Tijuana, where after observing a house in the shape of a woman, he walks to the United States–Mexico border, known as the "Tortilla Curtain". Here he observes illegal immigrants "Pollos" attempting to enter the United States and evade the Border Patrol. Afterward, Palin crosses the border legally into San Diego and gets a glimpse of the border from the American perspective. Venturing north to Los Angeles, he gets a bird's-eye view of the city from a local news helicopter reporter. He then becomes involved in a breaking story of a plane approaching Van Nuys Airport landing on the freeway. Driving along the California coast, he reaches San Francisco and the Golden Gate Bridge. He then takes a tour of Alcatraz prison and chats with two former inmates. Then he visits The Castro, known