And if the volcano was nicknamed Boca del Infierno, or Hell’s Mouth, by Spanish conquistadors, it's because they thought that Masaya was a gateway to the underworld. The locals had told them ...

Oh, and he also likes to go exploring inside volcanoes. Scott Parazynski: Hey everybody! It's Scott. I'm at level zero of Masaya Volcano. This is probably the craziest thing I've ever done.