>> we were all shouting and screaming. >> a giant iceberg implodes in front of his eyes, and luckily for us, in front of the lens of his small digital camera. >> the adrenaline rush was enormous. february 10th, 2012, wilhemina bay, antarctica. while on the trip to argentina, lex and his girlfriend, pietra, set out to explore the remote continent. antarctica is 720 miles from the argentinian coast. and in their words, so close. >> you should really try to go there. normally, it would be way too expensive. >> an argentinian travel group sponsors tours several times a year, particularly during the six arctic summer months from october through march. >> twice a day, you do expeditions.