ray dalio. and, wrestling legend brett hart gets hit by a man rushing the ring. >> quijano: hedge fund titan rayalio is living the american dream. but most people will never realize his wealth, because dalio believes capitalism needs to be reformed. he spoke to "60 minutes's" bill whitaker from the depths of the caribbean. >> reporter: this is otherworldly. >> shipwreck over there. >> reporter: the shipwreck. look at that. whether it is investing or exploration, dalio goes his own way. while your fellow billionaires-- bezos, branson, elon musk-- they are all going to outer space, they are headed towards mars and the moon. you choose to go down. why is that? >> well, as i say, i find ocean exploration a lot more exciting, a lot more important than space exploration, right. and then, you think about it, it affects our lives so much more. >> reporter: dalio routinely hosts scientists who have found new creatures in the deep, such as these, that generate their own light. there was also this off the coast of japan, a live 26-foot- long giant squid. >> oh, that's great. >> reporter: we didn't have tha