The South African gold mining happening 450 stories below Earth's surface 

60 Minutes travels deep inside the Earth to see the precious metals and extreme life surviving there. See the full story here: cbsn.ws/2JVPiHu
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"60 Minutes," the most successful television broadcast in history. Offering hard-hitting investigative reports, interviews, feature segments and profiles of people in the news, the broadcast began in 1968 and is still a hit, over 50 seasons later, regularly making Nielsen's Top 10. "60 Minutes" has won more Emmy Awards than any other primetime broadcast, including a special Lifetime Achievement Emmy. It has also won every major broadcast journalism award over its tenure, including 24 Peabody and 18 DuPont Columbia University awards for excellence in television broadcasting. Other distinguished awards won multiple times include the George Polk, RTNDA Edward R. Murrow, Investigative Reporters and Editors, RFK Journalism, Sigma Delta Chi and Gerald Loeb Awards for Distinguished Business and Financial Reporting. "60 Minutes" premiered on CBS Sept. 24, 1968. The correspondents and contributors of "60 Minutes" are Bill Whitaker, Steve Kroft, Scott Pelley, Lesley Stahl, Anderson Cooper, Sharyn Alfonsi, Jon Wertheim and Norah O'Donnell. "60 Minutes" airs Sundays at 7 p.m. ET/PT. Check your local listings.