. >> reporter: his name is geoff mackley.e uses his camera as an excuse to explore the most dangerous corners of the planet. >> this is mother nature's version of mass destruction. >> reporter: geoff has been obsessed with molten rock since he saw a 1970s documentary on maurice and katia craft, a french couple who spent much of their lives exploring active volcanos. >> it's so powerful and beautiful. so, you just can fall in love with it. >> i would like to die in a volcano. and unfortunately, the probability for me to die on a volcano is quite low, however. because as you know, 92% of people die in bed. >> reporter: maurice got exactly what he wanted when the crafts were swallowed by this eruption in japan 20 years ago. but if this is a cautionary tale, it is lost on mackley. especially since he discovered this volcano on v. he wanted to stand on the shores of its lava lake, where temperatures reach 1,100 degrees. pure madness. >> a little bit of madness goes a long way. i think people have got too soft in this day and age.