An army ant colony in the forests of Costa Rica stalks its prey. This super-organism of tiny individuals is as deadly as any beast on four legs.

In the Sahara Desert, a herd of elephants struggles to thrive. But with the help of caring people and their own resilience, they just might make it.

Welcome to the canopy of the Borneo rainforest, where the best action is high in the air, swinging from branches and leaping through the treetops.