Follow Eduardo “Eddy” Cartaya and a team of adventurers as they set out to explore a new cave system in one of the most dangerous landscapes in America: the crater of Mount St. Helens. This 5-day spelunking expedition launched in 2014 explored an undiscovered cave system within a glacier that has grown up to 300 feet thick in places. Super cool look into a never-before-seen world of ice and steam and volcanic beauty. These are trained professionals and this is super dangerous, do not try this: