BBC Earth

In the final episode, Sue rounds off this trip of a lifetime by heading even further off the beaten track and visiting amazing communities living in the extreme wilderness.

Korean star Song Ji-hyo will undertake the greatest challenge of her life: free diving with the legendary haenyeo female underwater sea fishers, who she feels a special connection to.

Nick learns about Civil Rights activist Medgar Evers, and paddles on the river at sunset.

Michael visits the ancient city of Cordoba and the Costa del Sol.

In the final episode, Sue rounds off this trip of a lifetime by heading even further off the beaten track and visiting amazing communities living in the extreme wilderness.

Steve Backshall goes in search of bat-hunting boas, meets a team working to save the deadly but cute slow loris, and he comes face to face with the king of snakes: the king cobra.

In the final episode, Sue rounds off this trip of a lifetime by heading even further off the beaten track and visiting amazing communities living in the extreme wilderness.

Steve Backshall goes in search of bat-hunting boas, meets a team working to save the deadly but cute slow loris, and he comes face to face with the king of snakes: the king cobra.

Feel the burn at a state-of-the-art gym that used to be a psychiatric hospital and in a climbing complex that once was a sugar refinery.