when trevor thomas' life changed dramatically a decade ago, he found a path forward that has taken him to heights he never dreamed of. we get his story tonight from gadi schwartz. >> reporter: on this bright, snow-filled utah day, trevor thomas sets out with no idea where each footstep will fall. you'd never guess through the forest with his dog, tanele, especially if you're trying to keep up. >> not easy to do at all. >> reporter: he's quick to say hello to those he passes. most are oblivious to the fact that trevor doesn't see them. he only hears them. behind his shades, trevor thomas is completely blind. >> what's their reactions when they find out you're blind? >> it's one of the times i really, really wish i could see just to see the look on their face. >> reporter: over the years, trevor and his dog trekked across the nation's longest and toughest trails. 2,175 miles of the appalachian trail. all 2,654 miles of the pacific crest trail. with a total of more than 1,000 days and nights alone in the back country. >> i take each step as a gift. >> reporter: ten years ago he lost his s

behind his shades, trevor thomas is completely blind. >> what's their reactions when they find out you're blind? >> it's one of the times i really, really wish i could see just their face. >> reporter: over the years, trevor and his dog trekked across the nation's longest and toughest trails. 2,175 miles of the appalachian trail. all 2,654 miles of the pacific crest trail. with a total of more than 1,000 days and nights alone in the back country. >> i take each step as a gift. >> reporter: ten years ago he lost his sight to a rare eye disease, but everything changed when he met eric, another blind man who kayaks, ice climbs and scaled everest. >> he gave me the strength when i didn't have it myself. >> reporter: now trevor is pushing the limits of what even sighted people can do. >> by all rules of nature, i'm a blind guy. i shouldn't be out here. >> reporter: on this winter day, we followed him through icy climbs too steep for others. >> careful. >> reporter: he relies on his heightened hearing to listen to echoes to allow him to sense changes in terrain. >> up there, it goes like the cr

behind his shades, trevor thomas is completely blind. what is the reaction when they find out you are blind? >> it's one of the times i really wish i could see them. just so i could see the looks on their face >>reporter:over the last few years, trevor and his faithful dog have tracked over some of the nation's longest and the appalachian trail and all 2650 for miles of the pacific crest trail with a total of more than 1000 days and nights alone in the backcountry. >> i think each step as a gift >>reporter:10 years ago he lost his sight to a rare eye disease. everything changed when he met eric wine mayor another blind man who kayaks, ice climbs and has even scaled everest. >> he gave me the strength, when i did not have it myself >>reporter:trevor is pushing the limits of even -- of what even sighted people can do. >> by all rules of nature i am a blind guy, should not be out here >>reporter:we followed him and his dog through icy climbs too steep for others, he relies on his heightened hearing to listen for subtle echoes that allow him

behind his shades- trevor thomas is completely blind. gadi: "what's their reaction when they find out you are blind." trevor: "it's one of the times i wish i could see just so i could see the looks on their faces." over the last few years, trevor and his faithful dog have trekked across some of the nation's longest ...and toughest trails, 2175 miles of the appalachian trail- and all 2654 miles of the pacific crest trail totaling more than 1000 days and nights alone in the back country.... "i take each step as a gift" ten years ago, he lost his sight to a rare eye disease. but everything changed when he met erik weihenmayer, another blind man who kayaks, ice climbs and has even scaled everest. trevor sot: "he gave me the strength when i didn't have it myself." now trevor is pushing the limits of what even sighted people can do, blind guy, i shouldn't be out here." on this winter day, we followed him and tenille thru icy climbs too steep for others. he relies on his heightened hearing, to listen for subtle echoes... that allow him to sense

trevor thomas's life changed >>> a nice reminder of how much we can accomplish. trevor thomas's life changed dramatically a decade ago when he lost his sight. >> he has found a path forward that has taken him to heights he never dreamed of. >> reporter: on this bright, sun-filled utah day, trevor thomas sets out with no idea where each foot step will fall. >> find the trail. >> reporter: you'd never guess watching him trek through the forest with his dog, especially if you're trying to keep up. >> this is not easy to do at all. >> reporter: he's quick to say hello to those he passes along the way. but most of oblivious to the fact that trevor doesn't see them, he only hears them. behind his shades, trevor thomas is completely blind. >> what's the reaction when they find out you're blind? >> it's one of the times that i really, really wish that i could see, just so i could see the looks on their face. >> reporter: over the last few years, trevor and his faithful dog have trekked across some of the nation's longest and toughest trails. 2,175 miles of appalachian tr

behind his shades- trevor thomas... is completely blind. gadi: "what's their reaction trevor: "it's one of the times i wish i could see just so i could see the looks on their faces." over the last few years, trevor and his faithful dog have trekked across some of the nation's longest ...and toughest trails, 2175 miles of the appalachian trail- and all 2654 miles of the pacific crest trail totaling more than 1000 days and nights alone in the back country.... "i take each step as a gift" ten years ago, he lost his sight to a rare eye disease. but everything changed when he met erik weihenmayer, another blind man who kayaks, ice climbs and has even scaled everest. trevor sot: "he gave me the strength when i didn't have it myself." now trevor is pushing the limits of what even sighted people can do, "by all rules of nature, i'm a blind guy, i shouldn't be out here." on this winter day, we followed him and tenille thru icy climbs too steep for others. he relies on his heightened hearing, to listen for subtle echoes... that allow him to sense chan

behind hshades, trevor thomas is d completely blin >> what are their reactions when ty find out you're blind? times ally, really sh ild seo he loon their rr: ohe s, trevod his dog ek aid cssked acros the na longest toughest trails 175 miles of the lachian trai all 2,654 miles of the pacific crest trai with aal oore an 1,000 days and nits alone in th back country. >> i take eac step. >> repter: tenears ago hetis sight to a rare eye disee, but everything changed when h met ic, another blind manho kayaks, ice climbs and scaled everest. he gavee the streth when i didn' have it myself. reporte now trevor is pushing t mits of whaven sighte pple can do. >> by all res of nare,'m bnd gu i shouldn't be out here. >> reporter: on this winter y, we folled him through y climbs,oote for others. >> cafu >>orr: h ries on hiseightened heing t liste to echoes to allow him to sense changes in terrain. >> upthere, it goe boat, is what i sods like. >> in fnt ofus are you ing? >> lot of roc here. lot o rk re. prob 75 feet of vertic right there. >> reporr: trevor has fallen more tim an hean coun enracked a fe

. `` when trevor thomas' `` life changed a decade `` `` him to heights he never dreamed of. `` we get his story `` tonight from gadi `` `` `` `` `` `` you'd never guess `` watching him trek `` through the forest with his dog, especially if you're trying to keep up. `` `` all. `` >> reporter: he's `` quick to say hello to `` those he passes. most are oblivious to `` the fact that trevor `` doesn't see them. `` he only hears them. `` behind his shades, `` trevor thomas is dom `` completely blind. `` >> what are their `` reactions when they `` find out you're blind? `` >> it's one of the `` times i really, really `` wish i could see, to `` see the look on their `` face. `` >> reporter: over the `` years, trevor and his `` dog trek aid cross ked across the `` nation's longest and `` toughest trails. `` 175 miles of the `` appalachian trail. `` all 2,654 miles of the `` pacific crest trail. `` with a total of more `` than 1,000 days and `` nights alone in the `` back country. `` >> i take each step. `` >> reporter: ten years `` ago he lost his sight `` to a rare eye disease, `` but everyth

behind his shades, trevor thomas is completely blind.ction when they find out you're blind? >> it's one of the times that i really, really wish i could see. just so i could see the looks on their faces. >> reporter: over the last few years, trevor and his faithful dog have trekked across some of the nation's longest and toughest trails. 2,175 miles of the appalachian trail, and all 2,654 of the pacific crest trail, a total of more than one thousand days and nights alone in the back country. >> it's a gift. >> reporter: ten years ago he lost his sight to a rare eye disease. but everything changed when he met eric weihenmayer, another man who kayaks, ice climbs and has even scaled everest. >> you did it! >> reporter: he gave me the strength when i didn't have it myself. >> reporter: now trevor is pushing the limits of what even sighted people can do. >> by all rules of nature, i'm a blind guy. i shouldn't be out here. >> reporter: on this winter day we followed them through icy climbs too steep for others. he relies on his heightened heari

behind his shades- trevor thomas. is completely blind. when they find out you are blind." trevor: "it's one of the times i trevor and his faithful dog have trekked across some of the nation's longest ...and toughest trails, 2175 miles of the appalachian trail- and all 2654 miles of the pacific crest trail totaling more than 1000 days and nights alone in the back country.... "i take each step as a gift" ten years ago, he lost his sight to a rare eye disease. but everything changed when he met erik weihenmayer, another blind man who kayaks, ice climbs and has even scaled everest. trevor now trevor is pushing the limits of what even sighted here." on this winter day, we followed him and tenille thru icy climbs too steep for others. he relies on his heightened hearing, to listen for subtle echoes... that allow him to sense changes in terrain. as zero zero- adventure speak for whiteout conditions- but watch the way he senses changes in terrain. trevor: "up there it just goes like a prow of a boat is what it sounds like" gadi: "in front of us what to you sense?" trevor: "lots of

. >> on this bright utah day, trevor thomas sets o o with no idea where each foot step will fall. you never guess watching him th dog, especially if you are trying to keep up, he's quick to say hello to shows he passes but most are owe blifs to the fact that he doesn't see them. he hears them. he's completely blind. what's the reaction when they find out you are blind? >> it's oneof times i really wish i could see just so i c see the looks on their face. >> over the last few years, trevor and his dog have trekked across the nation's longe and toughest trails. 2,075 miles of the appalachian trail, and the pacific crest trail. >> i take each step as a gift. >> he lost his s sght to a rare eye disease. everything changed whwh he m t eric. a man who kayaksnd climbs everest. now trevor is pushing the limits of what sighted people can do. blind guy, i shouldn't be out here.

trevor thomas sets out you'd never guess, watching him trek through the forest with his dog tennille. "this is not easy to do at all!" but most. are oblivious thomas. is completely blind. times i trevor and his faithful dog have trekked across some of the nation's longest ...and toughest trails, 2175 miles of the appalachian trail- and all 2654 miles of the pacific crest trail totaling more than 1000 days and "i take each step as a gift" ten years ago, he lost his sight to a rare eye disease. but everything changed when he met erik weihenmayer, another blind man who kayaks, ice climbs and has now trevor is pushing on this winter day, we followed him and tenille thru icy climbs too steep for others. he relies on his heightened hearing, to listen for subtle echoes... that allow him to sense changes in terrain. on the trail he is known as zero zero- adventure speak for whiteout conditions- but watch the way he senses changes in terrain. sounds like" gadi: "in front of trevor has fallen more than he can count, even cracked a few ribs at times his abilities a quest to show others, vistas a

kyla: when trevor thomas' s life changed dramatically a decade ago he found a path forward that has taken him to heights he never dreamed of. 10 years ago he lost his sight to a rare eye disease. but everything changed when he met erik weihenmayer, another blind man who kayaks, ice climbs and has even scaled everest. thomas was inspired. now over the last few years, trevor and his faithful dog have trekked across some of the nation' trails, including all 2175 miles of the appalachian trail, and all 2654 miles of the pacific crest trail, totaling more than 1,000 days and nights alone in the back country. trevor has fallen more than he can count, even cracked a few ribs, but he says it' s all worth it sharing his vision of what the blind can do. mark and lisa? lisa: that really is incredible. we are checking some stories trending this morning. mark: while the east coast blizzard proved to be dangerous for many, some made the best of their circumstances. some extreme snowboarding this weekend in d.c. two men tied a couple of ropes to a jeep who pulled them around dupont circle, which is loca

. >> when you pass trevor thomas and his dog on an icy trail you wouldn't think twice.at he wears hides the fact that he's actually completely blind. he's conquered some of the nation's toughest and longest trails over the past decade. ever since losing his vision from a rare eye disease. in a way, thomas finds his blindness a blessing. >> don't get me wrong, i'd love to have my sight, but this one point in time i actually think i'm more fortunate because sighted people will just remember what they see and i take away from this everything. >> thomas has logged thousands of miles of steep terrain. one of the only times he wishes he could see was to be the looks on people's faces when they learn he's relying entirely on all of his other senses. he has become so much more aware. >> heightened everything else and also thinking about how hard it is for most people to get out there and exercise and actually do it and he has every possible reason to not go inside and instead he's conquering these paths. >>> 5:52 right now. coming up,ing a final push in iowa. the state's caucus

thomas jefferson! who summoned me and why? >> trevor: president jefferson! nice to meet you!vor noah of "the daily show"! i was hoping you could tell me what the phrase natural born citizen means in the citizens' constitution? >> the phrase derives from british common law which held children born to the crown -- a negro! there is a negro in this theatrical presentation! >> trevor: i'm sorry! this will take time to explain. i need to ask you a question, please. >> am i the only one seeing this! i cannot deal with this! am i the only one seeing this? sally! sally! >> trevor: we'll be right back! calm down! calm down! calm down! (cheers and ♪ (cell phone rings) where are you? well the squirrels are back in the attic. mom? your dad won't call an exterminator... can i call you back, mom? he says it's personal this time... if you're a mom, you call at the worst time. it's what you do. if you want to save fifteen percent or more on car insurance, you switch to geico. it's what you do. where are you? it's very loud there. are you taking a zumba class? (ding)ocket blasting off (dong)

thomas jefferson! who summoned me and why? >> trevor: president jefferson! nice to meet you!vor noah of "the daily show"! i was hoping you could tell me what the phrase natural born citizen means in the citizens' constitution? >> the phrase derives from british common law which held children born to the crown -- a negro! there is a negro in this theatrical presentation! >> trevor: i'm sorry! this will take time to explain. i need to ask you a question, please. >> am i the only one seeing this! i cannot deal with this! am i the only one seeing this? sally! sally! >> trevor: we'll be right back! calm down! calm down! (cheers and refresh things. it doesn't call for a cleaning service. it uses the cold to sift through every single speck. so if you wonder what inspired us to cold-filter our beer... well... you're looking at it. coors light. born in the rockies. okay, what is this? it's chewy. really icy. wooh. that's intense! it just hits you. its gum. no. it's totally a mint! it's disappearing as i am chewing it. where did it go? it's not a gum. not a mint. it's a breakthrough in

thomas jefferson! who summoned me and why? >> trevor: president jefferson! nice to meet you!vor noah of "the daily show"! i was hoping you could tell me what the phrase natural born citizen means in the citizens' constitution? >> the phrase derives from british common law which held children born to the crown -- a negro! there is a negro in this theatrical presentation! >> trevor: i'm sorry! this will take time to explain. i need to ask you a question, please. >> am i the only one seeing this! i cannot deal with this! am i the only one seeing this? sally! sally! >> trevor: we'll be right back! calm down! calm down! (cheers and this is iphone 6s. not much has changed. except now you can say... hey siri... hey siri... hey siri... which changes how you get in touch. call sophie. how you get answers... penelope cruz: who was the prime minister of britain in 1868? the answer is benjamin disraeli. of course. oh, you knew that. find me a very expensive... coffee shop with outdoor seating... and dancing. you can do almost anything, just with your voice. play the number one song from

trevors and his dog on an icy trail you wouldn't think twice. the shades he wear hides the fact that he's completely blind and conk krd some of the nation's toughest trails. in a way, thomas finds his blindness a blessing. >> don't get me wrong, i'd love to have my sight but this one point in time i actually think i'm more fortunate because sighted people will just remember what they see and i take away from this everything. >> thomas has logged thousands of miles of steep terrain. he says one of the only times he wishes he could see would be to see the looks on people's faces when they learn he's relying entirely on his other senses. >> see the looks on people's faces but their expressions tell a lot. >>> new numbers out this morning showing just how destructive this summer's family fire really was. >>> plus -- >> we want to bring kyle home. >> a desperate search for answers. friends and family take matters into their own hands to find a south bay missing since late last week. >>> and before we go to break, a big showdown tonight at oracle arena. green,/leonard squaring off and their teams with the two best records in the nba. about 13 hours from now. the 38-6 spurs in t

trevor thomas sets out with no idea where each foot step will fall. "that's a good girl!" you'd never guess, watching him trek through the forest with his dog tennille... especially, if you're trying to keep up.... "this is not easy to do at all!" he's quick to say hello to those

behind his shades- trevor thomas... is completely blind. gadi: "what's their reaction trevor: "it's one of the times i wish i could see just so i could see the looks on their faces." over the last few years, trevor and his faithful dog have trekked across some of the nation's longest ...and toughest trails, 2175 miles of the appalachian trail- and all 2654 miles of the pacific crest trail totaling more than 1000 days and nights alone in

trevor has fallen more than he can count, even cracked a few ribs at times his abilities seem superhuman, the conditions constantly posing considerable risk for thomas, it's part of a quest to show others, vistas he will never see, but shares online.... but deep among the mountains peaks... he's learned to take in views differently. trevor: "don't get me wrong i'd love to have my sight, but at this one point in time, i actually think i'm more fortunate, because sighted people will just

for thomas, it's part of a quest to show others, vistas he will never see, but shares online.... nat but deep among the mountains peaks... he's learned to take in views differently. trevor: "don't get but at this one point in time, i