, one of only four permanent lava lakes on earth.ost people know to stay far away from such an unpredictable force of nature; however, one man's obsession has driven him to the brink of this volcanic abyss. geoff mackley is an independent filmmaker from new zealand with a fascination for the natural world and all of its violent moods. for 15 years, geoff's dream has been to capture footage from the edge of the marum lava lake. he has tried many times, but has never succeeded. geoff: over the years, it's just been one trip after another. every time we've had a failure, we learn from it. we come back again. everyone just keeps trying and just get ever closer to the goal. laila: despite many failed attempts, geoff is determined to try one last time before laying his dream to rest. preparations for the treacherous quarter mile descent into the heart of the volcano begin with equipment testing. geoff: it's pretty much about the size of a chainsaw, and it attaches to the rope, and you pretty much drive yourself up the rope. man: i feel lik

geological survey, shows a lava lake in the crater on the kilauea volcano. while it may look relatively small, the lake is actually 160 feet below the rim of the crater. >>> just 40 days now from the start of the 2014 winter olympics in russia. and u.s. speed skaters around the ice in utah this weekend to determine who will make the team. among them a brother and sister from the chicago area who are hoping to keep a family tradition alive. i caught up with them recently at their practice oval in milwaukee. >> we live, eat, breathe, do everything skating. >> reporter: like most olympic hopefuls, nancy swider-peltz jr. and her brother jeffrey compete in relative obscurity until the olympics come around. >> as hard as it is, it is worth it. it's a dedication. >> reporter: nancy raced in the 2010 games in vancouver. younger brother jeffrey, who gave up college football to commit to skating full-time, is taking his first shot, both trying to make the team heading to sochi. >> all i need is a good race and i can make the team. >> timing is right on that. >> report

geological survey, shows a lava lake in the crater on the kilauea volcano.le it may look relatively small, the lake is actually 160 feet below the rim of the crater. >>> just 40 days now from the start of the 2014 winter olympics in russia. and u.s. speed skaters around the ice in utah this weekend to determine who will make the team. among them a brother and sister from the chicago area who are hoping to keep a family tradition alive. i caught up with them recently at their practice in milwaukee. >> we live, eat, breathe, do everything skating. >> reporter: like most olympic hopefuls, nancy sweeter pelts jr. and her brother jeffrey compete in relative obscurity until the olympics come around. >> as hard as it is, it is worth it, the dedication. >> reporter: nancy raced in the 2010 games in vancouver. younger brother jeffrey, who gave up college football to commit to skating full-time, is taking his first shot, both trying to make the team heading to sochi. >> all i need is a good race and i can make the team. >> timing is right. >> reporter: their coach is

today university of utah scientists say that lake of lava at yellowstone is two and a half times bigger than anyone thought, which means it's enough molten rock to fill up the entire grand canyon. if it erupted, the ash could cover most of the united states. it could erupt, they say, every 700,000 years or so. >>> next tonight, made in america, santa's elves working overtime in a city that desperately needs jobs, a real ray of holiday hope in detroit coming up. i'm beth... and i'm michelle. and we own the paper cottage. it's a stationery and gifts store. anything we purchase for the paper cottage goes on our ink card. so you can manage your business expenses and access them online instantly with the game changing app from ink. we didn't get into business to spend time managing receipts, that's why we have ink. we like being in business because we like being creative, we like interacting with people. so you have time to focus on the things you love. ink from chase. so you can. imany cold medicines may raisee your blood pressure. that's why there's coricidin hbp it relieves cold symptoms