finally tonight, america strong. the second grader breaking a world record. her mother right there with her. 7-year-old montannah kenney setting out to make history. the second grader from austin, texas, had an idea. to be the youngest girl ever to climb to the top of mt. kilimanjaro, 19,341 feet. and to do it in honor of her father, who she lost when she was just 3. being in the clouds, she says, reminds her of heaven. after training with her mom, hollie, who had to get special permission for montannah to even attempt the climb, they were finally there. >> i'm going to do the summit of mt. kilimanjaro. >> reporter: pointing to the top. >> right up there. all the way up there. >> reporter: the two climbing with help from a group of guides. >> what did you think of day one?