coming up, a kayaker goes over a 127 foot waterfall. >> i'm scanning the pool at the base of the fall and waiting to see some sign of pedro. i don't see anything. >> when "caught on camera:the danger zone" continues. ♪ ♪ we go, go, we don't have to go solo ♪ ♪ fire, fire, you can take me higher ♪ ♪ take me to the mountains, start a revolution ♪ ♪ hold my hand, we can make, we can make a contribution ♪ ♪ brand-new season, keep it in motion ♪ ♪ 'cause the rhyme is the reason ♪