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.
2013
2021
2009
1974
2002
2010
2022
2019
2014
1995
2020
1984
2000
2024
2016
2008