Tom McClean left the British Special Air Service to row solo across the Atlantic Ocean, a feat he's achieved five times. Now, at 73, he's ready to do it again—in a giant steel sperm whale.
Apparently there's a bit in Dante's "Inferno" that says the Holy Grail is in a chamber inside a mountain. So these guys are heading off to look for it.
Live by the balloon, die by the balloon.