sport. >> we go down to moab, utah, every year for the annual jeep safari.ly 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 are 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 to0ju(u(rr'g 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 photographer. >> this is the fi