. >> january 2012, moab, utah. a group of friends converge on kahona arch.the plan, to build what they say will be the world's largest rope swing. then clip in and jump off. why you ask. because it's there. austin baird, a recrept law school grad and experienced rock climber has been to moab dozens of times but leaping off the arch is new territory. >> as you're climbing up it, you're thinking this is crazy. what am i doing up here? then you get to the top, and you look out, and you can see the entire valley. you can see the colorado river. it's gorgeous. then you think, i just want to sit up here. why am i going to clip to a rope and jump off? >> it's a legitimate question, but there's no back out now. austin's friend devon graham is going to capture it all on camera and then spin it into a viral video sensation. it won't be the first time. devon's videos get millions of views on youtube, and he has a loyal fan base. >> with college kids, you don't have any money so you're constantly looking for something fun and exciting to do with absolutely no money. >>

moab, utah, 23 jumps in ten days.re seeing frigid canyons, all of these videos, gopro videos, this is quite a vacation for them. it doesn't look like they have to pay admission to all thesees stuff. >> you don't have to pay admission to that. >> imagine what that must feel like to jump off such a high rock and free fall. >> there he almost smacked into that rock. one does some sort of dive bomb right here. >> do you feel well rested after this vacation or do you feel exhausted because you just climbed a bunch of crap and almost died 23 times? >> from there to a video of godzilla, not the monster from the movie, but this godzilla which is a giant zip line in whistler, british columbia, canada. the fastest of the zip lines at zip track, you can see these two people getting themselves geared up to go. this thing goes around 50 miles per hour. you make sure you're hooked up, got your helmet, got your clips, everything is set to go, and then -- oh, that's so fun. they start flying through. look out how beautiful all these

sport. >> we go down to moab, utah, every year to do the annual jeep safari.where approximately anywhere from 1,500 to 2,000 various off-road vehicles meet, and we go jeeping. you got it. >> in april 2009 the mays join a caravan of four-wheelers riding the flat iron mesa trail. it offers michael plenty of opportunity to pit his maneuvering skills against the power of gravity. >> part of having fun is, you know, taking those risks. and seeing what you can do. >> there you go. you're getting ready to hit a bigger rock. >> the kids love riding over the obstacles. they wouldn't have it any other way. >> when i go out jeeping, i don't really think it's dangerous. it's just a blast. >> back it up! back it up! >> it's the best thing in the world. >> heidi rides along but hops out to join the watching crowd when they reach the trail's tougher challenges. >> my husband does all of the driving, and i'm more of the spectator, navigator type person. right over the top. you're down. >> this time, in addition to being a spectator/navigator, heidi is also the family photogra

around a national park, if you're at canyonlands or arches, the contribution to the communities of moablowstone or yosemite are very, very significant. we have an operating budget for the entire national parks system of about $2.6 billion. that converts into $26 billion contribution to the american economy. when you ripple that across to hotels -- >> john, i'm sorry to cut you off. we're about to run out of time. john jarvis, director of the national park service. have yourself a great weekend. stephanie, i don't know about you, but people don't recognize how freaking amazing national parks are. >> grand canyon? i love it. we will be back. ♪ >> president obama weighs in. the president will speak about the malaysian air disaster 30 minutes from now. you can watch it here live. generalal election -- electric on a diet. selling off something else every time you turn around. >> nasdaq gets hacked. how cyber crooks broke into the servers and could have taken it down. welcome back to "market makers." >> in about 30 minutes, president obama will be at the white house briefing room. 11:30 is wh