Seven thousand years ago, a woman was buried in the salt of Trinidad with an object that shouldn't exist. We’ve been told the history of the Caribbean began with "discovery," but the archaeological record tells a much darker, more sophisticated story. From the massive industrial shell-processing plants of Curacao to a 3,000-mile trade link with ancient Mexico, we are revealing the lost "Lithic Revolution" that shaped the archipelago long before the Arawak or the Spanish.