[b] th area is some othe gnarest, rockiestnastiest terrain ve ever en in. every ngle piece of getation out he has thos and stickers a cactu [hther] alght. [heath] good, od. [fipe] dud these mtangs are ma for theackcount. rtunately, ally mustan, they were l born ithe wild public nds in the arican we. [bacround muc] [b] th grew upn desola hah landsces like is. ey know w to wal thugh thisountry, they knohow toeander through e rocks, d stay ay from t cactus, and w to navate throh cliffs and fficulterrain. it makese proud --

see my nies takcare ofverybodyo well d take ce themsels so wel they are great-- theye great rses. ye, i likeindistin] [ben] five yea ago, someriends a i went t and adted ese mustangs, trainethem andode 3,00 les fromexico toanada rough puic lands in t americawest. at expernce comptely chaed my li angave me huge appciatio not ly for tse horse bufor blic lan. le than 3%f texas is on to theublic. that'st. and ere is nway at you cld put aorder wa even clo to the ver in aot of th country it have toe built land, budozed, a slicingpart the only b chunk opublic ld

that we have left in texas, essentially blocking us from t rio grae. [atin] youan feel the crp air rit by theio. [heath] lo at all at water it'she firstime 've beenn the rir. ackgrounmusic] th is nd of emotnal right now. i'm ddy. ustin] oyeah. [ausn] he codn't rest. ay] therhe is. heering] it's amang, it's beaiful, and it's the lifeood of thientire aa. d uh... you dot reallyhink about thpoliticsehind it - watcout! -filipe] if thecould sethis--

m sorry can't pay atntion withhis goinon. - [austi are you comg? i'm not-i'm not aring a undeear! - [stin] co on! - perft. - alrht, my bi shorts ed washi. [ben] oh, th is a teible ide [jay] ah, you tter jumin. eather] t your ass ihere! [ben] i'comin'! [cheing and ughing] [cm music] big nd is-- it's o of thosvast lancapes that is unlike any other.

there's st a hugemount ofiversity om lar mammalsll e way do to the allest. [dr. louis] and we rely on mexico for some of these populations. blacbear is obably thbest exale of th. you ow, we bically extirped blackears om the b bend reon of tex uh, in e 1950s, uhhunting,rapping, thin like th. until about 1990, we had a-- a lone female come across and uh, she had cubs, that population started to grow. annow we he 40, 50maybe even 1 bears itexas toy d that isole pendent mexico. our large mammals, they cross that river sometimes on a daily basis.

if those porters are cut off you know, if there-- there is a wall there, it's gon cut o that wer sourc we wld starteeing issuesenetical. they neeto be ab to movfreely to be abo surviv - en whistng] -[heher] donkeyound somshade. [filipe] oh, she did. look at her over there. [heather] oh, e's got little pch. i would ink that aer a fewours - you uld starto like t e motionown. - y. yeah but it sll hasn'happened [file] i mn i'm t rung kids t, but y know-- en laughg]

[jay] think it been a total ock to hther and lipe andustin's dy, beuse the are pas ofour bodynd muses th you don normalluse. [heatherdescri the pai scribe t pain. imaginbob the ilder jackhaering aw at yr busiss regio for ke 20 miles. [upbt countrmusic] i coul't quiteet theosture anthe trotormationown. so inste of likeosting and you ow, justind of le dog thatance witthe hors i wajust bei-- but withhat beinsaid, itas-- it s emotiol.

[yling] yodon't coect with bicycle a unicye or a coe the sameay you do with a horse e only tng coole th being otop the wor is being on top of the world on a horse. ackgrounchatter] ay] visuly you think th you canake off, re someere, anthen allf a sudd ere is a00-footerail. there's st no trls inome of ts countr i dot know. i don't ow abouthis. [iistit] [heather ah, i dot-- i dot know if we' gonna just bbold andeep goin

[jayit's liksome of e most rugd countrthat-- that've ever be throughn texas, because you st hav the boxed nyons and this-- these sheer rock faces on-- on either side of you. yeah, ld off othat route. ustin]ook to t right. we're xed in. it's a bed cann. i was thking w--eah. coulwe not get se-high grnd? the smtest thi do is tn around

d go bacthe way came. feel abo 95% condent thathe game ail thatoes go u would b peectly fi for ourorses, but at 5% ri is someing that i'mot willi to risk withhese guy so l's just he on out, thenhat way erybody wi be safe this areis difficu as any ndscape that've beeno in theest. i n't see w you cod build a physal bordewall that's more difficult to cross through than this landscape. [will] one of the things that i've been frustrated with whent comes to bder secuty is try to ve onsize-fs-all sotion. uh, yocan't, bause eve le is-- differe. you ha the riorande, you havehe canyo,

the chihuahuan dest, and you already have physicalarrier caed mountns. in somareas whe border prol respse time measurein hourso days a ll is no a physic barrierright? in se placeswhere the is urbano urban ntact, a fee makes nse, becae borderatrol ca measure e respon time in seconds to minutes. but doing it in the desert and in big bend, that's just crazy. building wl fr sea to ining se is t most exnsive and leaseffectivway to dborder surity. [speaking spanish] another autiful rning inhe rio gnde.

[filipe]e're goi to mexi! [heatherdoin' itguys! [mexan music [immigraon offic eaking ispanish] i'm ofcially imexico. ay! ustin] l's go getacos. peaking anish] [speakg spanis [speakg spanis [speing spanh] [speing spanh] - exican sg playin - oh - ustin] o [jay] ohy gosh! - oh, ma - [filip oh, the enchilas? [heatherum, so eited. oh my go! - m. - [beni have t spoons. - [atin] oh god! - en] i me two for. eather] rfect.

could tolly eat one of tse tacos 's like beg kissed ban angel [b] oh my d, i'm fl. [bacround atter] ja you gothe time? 11 to. [speing spanh] [laughg] -[speaking anish] this is nna be le my christs present is year. [filipe]pread thweal. spread t wealth.t stops. chalhere is lling us out the , power ant at we shld go chk out. fromhere is a real od vw to loothrough. buit's a-- 's a solar pow plant this is l solar wer. - [j] no way it'she one tt provideslectrici - to the who town he. - you' kidding

[ec music] the's been talk about a binational park for decades. there's millions of acres that are already held in public trust by both countries. it's time toee somebody st forward anreally spherd that anbring th into frtion. [hther] itould be a ally natal step. thers alreadhuge protectelands both sis. e river self is wild and scic. there's pulations of bea d mounta lion and birdand buttflies moving bk and foh between e two otected areas.

blows mmind. so many tim i foundyself saying"this isn texas? li we're not in moana or yelwstone or yosemite yoknow, this pla is legeary. it's tex' last cnce create someing truly great as far a a hu intact osystem. and wean't do without xico. [b] on the lt big hoeback journey,e rode tough waterton-glacier inrnationapeace pa on t us-cana border, created to symbolize a friendship and a shared ecosystem between the two countries. that same opportunity exists here. and it's complety fferent way toook at t us-mexi border. [epimusic]

[filipe]hoa, we t shadow y, that'our goal [filipe]en, get photo! - [b] i got . - [ausn] yea that's neat. - [heath] wow! [ausn] isn nature at? [heaer] i-- od job, ture. - ilipe] gd job. - [b] well, after ding bicycl and ridg horses

've all me to the reement at they e a r supeor form transrtation. [allhouting] [gentlguitar mic] alrigh tough. [j] come o donke [ben] think weight hav to pk her up comen, girlfend. - [j] aw - [hther] aw [jay] at's a gd girl - eather] eat donk. - [heather] be you-- - n, you sy in the. actual, i feelike aying wi my hors. by ponies. i miss youlready. oh! beood, hors. - [hther] st well, gs. - see yo sr. don't t anybodelse ridyou. that goefor the restf your le. nkey, no you too. - oh, e, donkeis calling u. - man it's sado see higo. let'go get usome cans. aw! [gene music] [ben] rings fl to the rigrande and big nd natiol park

and ere is n enou water tpaddle aanoe. r e next 1 miles, we a going ttravel through boquils canyon anthe lowecanyons, an aa so speal, d so rugd at it isederal protect a wild d sceniciver. [austi i tnk needed take acunt ofhat exacy 're doinright no wee going to the mt wild pces in t state otexa we a going intorue wildness where ere's nouppo. like ourehicles have usuppord on. i thinall of us, wehould ha a higr sens ofisk manament. [j] we gotigh presre, 500 cfs d 15 mil to go tay. 0 leftn the joney. fein' pretood. ustin] t river does n discrimate, it can bany ofs. the is thr kinds of boatn.

one at h flipped one thats going to flip, and e that iflipping that's fact. [atin] o - ilipe] o austin dissiped. - [hther] what doethat mean? - [heaer] oh st. - [austi oh shit oh shit. - ustin chkling] - [filip stay the, ben. - , no! [all] ! no!, n no! no! [filip not the camera again, guys! - [heather] oh my god! [filipe] there you go, there you go. [austin] it was good to acknowled that thin can go d. [ausn] and ty can go bad rely fast d reallyasy. make it onhe-- i knowe justike to s likee were tking abo just ke going d learni on the ver, but ke ife can't hand this, we got nbusiness ing up tlower caons. [epic sic]

[jayyeah, i ink ben ght have seethem fir. kind roundedhe bend anthey hadeen drinng out of t river e. [j] we puld off an they we uh, prably dozen dert sheep [heath] there'at least one thereith a coar. [j] could u give an estate withut-- [jay] it w pretty spectacular to have actually seen them ilizg the rir. that-- tt sortf hit home to thathat's their war source. all you' you seeg a cool fort between and mexo, ause tho sheep, they havno idea ich sidef the rir is whi? anthey're obably-- theye down he ke drinkg om the r and probly crossver, - go io mexico- you thk th'll crosinto mexo and-- oh, fosure. - yeah? they'vgot coll data, they jususe-- th go all ross in here ah, it's cool hiory, becse they re complely elimited

out of ts area. and en about0 years o, they staed briin' themack. and ey went om zero where ty now ha ov 2,000 o'em. it's le this he story conservion... - ilipe] b's boat! - succs in thiarea. - eather] shit! - [j] oh shi - [cckli] -guys,elp! hold thi - i t distraed by thsheep. - huckli] -[aust] yogot a pale - he doe't hava paddle [heathercreaming he-- he's nna re j! [laughin [filip heoesn't kw how toaddle. he's ner steed befor entle muc] ay] this envonment othe river, auin's jus had loof expernce and soe reallynows hoto likpace theroup, he knows how to run rads, he knowsow to sce. th was a n part ofustin thate hadn'teen prevusly.

thiss a firsclass 3 thate've see this entire time out here. 've got r rescueine read case helips and s to benhis boat he we go. slight t to the ght. w to theight wooh eather] thank alright,'m up. paddle hd, take chances, y'al [atin cheeng] [upbeat sic] yeah. ye. [filipe]ou guy are maki this lo easy. - [heaer] jay,ome on! [ausn] streait up, seam it up, stre it up, ream it ! [cheerg] yeahthat wasreat. i loveit. right, evybody se naileit. so uh,e gotta havene spillright? [file] oh myod. [filipe]h no! [cering]

[hther] that's i that's , that'st. aughing] ustin] u lucky n of a bch! y, i tri to make iintereing for u! [hther] pele are nothinkingf this aa when the cturing e border anbuilding border ll. i ink theye thking of e cities it'shis wildlace that'superugged d hard tget throh anyway why wod we consuct a baier the? manmade rrier. this is ke going rough thgrand caon, paddli t colorad wiout the owds.

it's jt as-- aremote, d grand,nd wild. [birdshirping] [austin]ne of myiggest js ishat i geto show ople what i le, and th's the r grande. thfirst ti it imcted me was wh i came re in coege. uh, was actuly cominhere to traino be a rer guide

and thfirst trip i ever d was darcanyon, which a short but tallanyon. short length, talln heightanyon in the ste park. and i fe in loveith at's easto fall love wi you ow, beau, the grdness, th- the ju tal uh, magnificce the riorande. and en the me i expled, the more i jus for la of tter wor, was wod! [epic sic] anlately i've beethinkingbout how. i got intohis ole outdoorecreation indusy

r a lot reasons anone of wch-- which-- at i've ver rely admitd to mysf is ie grown as e child illegalmmigrant atus is a ally bighing as muc- you kn, i-- my pents arelly prou th-- they ught me thatou know,ou-- you rk for everytng you he and yo- yodon't ask r things you earnhings. but i'be lying to te you that aa child an-- illegalmmigrant stat was in- in t back ofy head. and it-- isounds awful and i ha to admiit, but it h bee like whyouldn't parentsearn engsh? why codn't theknow how the hool sysm worked i just dn't undetand. was angry, i wasad. and the tdoors, e rio grde, at's sewhere wre statu don't matt, you kn?

is a tr vel playg field. d i findhat... my cnection the rio grand conneion tohe bigend is reallfounded on tt. it's such an equalizer. right, sthis is whe we havto figurout where we wan pull it to t right aroundhis peni crap rit here which wanna aid, run thehoot the lefside down t actuamadison lls. i n't knowow the hl-- i an i'm dot knowhat i'm doing gardless, bui dot know h you wou - dohis in aanoe. - [heaer indisnct] yeah, li how is like-- is isnly a kak city, ght? [indistit]

[jay] ohosh! seeth's-- - [b] oh shi [heatheroh shit. ay] oh ! [filip see, th's wh i was wried abo. yeah. be are youoing? are u still in'? [benaughing] [filipe]eah! [austin]eah! - [cheing] -[fipe] yea spin yrself bere u back yrself in - [filip get it raight ongo on!tay left- [jay] ay left!o high! - [jay] 's hit i - [fili] nohe's gott, he's t it! - [fipe] o - ay] oh st. [j] he's sck. [fipe] b, don't get caug underneh! [gruntin [gruntg]

i cat move i ustin]an we ge onhat corn? hang up, ha up, hanup! stopstop. ustin] othe counof three one, t, three. [gnting] [grunts] -[atin] let it g let it . [jay] ay, let go, t it go,et it golet it g - [heather] tch out,atch out. - [lipe] wah out, j [j] you wa me to g in it? [atin] wha oh no, no! [hther] ohan. en] well ustin] o no. it'slready ting in wer. runting] [austin]h, ho, h ho. eather] co on, jaycome on,ay. [indtinct yeing] [ausn yell

[high pitched to] eather] that lked kindscary. [heath] fell. [austin]wo, and ree. ilipe] tre goes e bag. thergoes theag. minous mic] [campfir [j] i don'know, i feel-- ieel goodi el like erybody'