In Ancient Cities we journey to these ancestors of influence such as Luang Parabang, Vienna and Istanbul where religious and cultural centers have shaped the ways in which we view the world around us and continue to do so in modern times.

In Extreme Animals we discover the many challenges faced by animals living in extreme environments.

In Volcanoes we ignite our curiosity by deepening our understanding of this natural wonder.

In Lost Cities we re-discover these great cities are providing clues to how our ancestors existed in the world.

In Treks we travel from the highest mountains to the wildest jungle realms, then venturing down the road less traveled allowing us to connect to nature, history and culture, one-very literal-step at a time.

Coral islands have a reputation as being heaven on earth and in this episode we explore the balance between exploiting and preserving these extraordinary natural wonders.