Bear Grylls takes LA icon and living legend Danny Trejo outinto the staggering peaks and steep canyons of Arches NationalPark in Utah. Under scorching temperatures, Bear and Dannyclimb massive boulders and traverse sheer cliffs in order toreach their extraction. Even Danny's days in prison can'tprepare the show's oldest competitor as he squares off againstthe intense heat and treacherous obstacles of Mother Natureherself.