creek open and my brother getting out and my grandpa putting his hand on my shoulder going, garen, are you okay, and i go, yes, i'm okay, and that's when i unbuckled my seat belt and get out. >> finally mike emerges and heidi realizes her family is still intact. at last heidi can let go of her own anxiety. >> right down from where they turned the jeep back over, i walked down to the base of that and just threw up. my nerves were shot. >> but they're not done yet. they're in the middle of the desert with miles left to go. and mike is still up for adventure. >> there's actually a more difficult obstacle after this one that really required some precision driving. it was freaky. >> considering what they've just experienced, the kids in the jeep are amazingly relaxed.