janel and mark smiley are climbers and they were inspired by the iconic book "50 classic climbs of north america." they decided they were going to do all 50 climbs. they started back in 2010. they're still climbing. their adventures inspired 11-year-old lyle courtis. lyle decided he was going to live in a tent in his back yard for a year. >> the smileys heard about lyle's adventure and they invited lyle to go on one of their climbs. they took him to yosemite national park to climb the royal arches. lyle's a climber himself but he's never climbed outside. he's always climbed in a gym. >> this would be his first climb. >> growing up in the midwest, mark always wished he'd had a mentor. this is his first opportunity. >> he's making his first pitch. >> you have to work harder, where is it, where is it? there it is. >> one of the harldest things, there's no hand holds and foot holds for the jim. lyle is doing a great job. tell us about his awesome adventure, we have lyle joining us right this minute. this what to be inspiring for you. describe the moment. >> it was truly amazing learning to c