Josh embarks on a journey around the world to uncover mysteries about Christopher Columbus. First, Josh looks for Columbus' legendary ship, the Santa Maria, and later ventures to find the real remains of the explorer. This episode is a condensed special using footage from 2 previous episodes of Expedition Unknown about Christopher Columbus. S02E07 - Secrets of Christopher Columbus - December 2, 2015 S02E08 - Columbus Unearthed - December 9, 2015