6.5
Hidden somewhere off the southeastern coast of Brazil could lie hundreds of millions of dollars-worth of lost Incan gold. One team of treasure hunters has a new theory on where the treasure lies - a remote spot home to 1,000s of deadly vipers.
Ryan Mill , Jeremy Whalen , Cork Graham , Megan Khini-Graier , Keith Plaskett , Braian Grig Frai , Shawn Coles , Javier Cortes , Jack Peters
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