In a true test of mental and physical strength, the climbers tackle the difficult discipline of bouldering in Albarracin, Spain.

After Chris welcomes the contestants to his home, they prepare for a steep 70-foot-long route that threatens to test even the most established climbers.

As the contestants grow acclimated to the beautiful sights of Wadi Rum Valley in Jordan, Megan and Chris present them with the monumental opportunity to send and name a first ascent.