Commenting to circle back to.
I did read “The Worlds Most Dangerous Places” many years ago. Really interesting and unique look at the world around us.
I agree. He's a bit silly. But his accomplishment is incredible.
Though I would suggest that Robert Young Pelton would be an even more interesting guest. http://www.amazon.com/Robert-Peltons-Worlds-Dangerous-Places/dp/0060011602