Examine close encounters with creatures that were awe-inspiring and fear inducing, including the world’s largest land predator, as well as with nature herself in the flooded caves of Mexico and on the sheer cliffs of Oman.

In this episode we unpack the moments that very nearly stopped the Expedition teams in their tracks on adventures that made them question whether they should even be out there, to the points where they knew if they took one step further, there was no turning back.