In part one of a two-part special, Josh visits Portugal and Haiti to discover whether Christopher Columbus was history's greatest hero or villain. He also hopes to find the remnants of Columbus' legendary flagship, the Santa Maria.
Josh travels from the Dominican Republic to Spain in an attempt to solve the looming mystery of where the bones of Christopher Columbus are truly buried.
Josh Gates travels to Europe to expose the last secrets of the Nazi empire. He searches for a buried train filled with stolen gold, explores the tunnels of the notorious Project Riese and hunts for a lost fortune at the bottom of a lake.
Josh Gates treks north of the Arctic Circle to search for the DNA of the long-extinct woolly mammoth. The hunt takes him to a sinkhole in the Siberian permafrost as well as a black market mining camp where tusk hunters dig for mammoth ivory.
Josh Gates sets out on a globe-trotting investigation to find out how the Vikings became so powerful. He also explores the possibility that these fearsome warriors sailed to the United States over 500 years before any other European.