Josh hunts history's greatest treasure, the tomb of Alexander the Great.

The search for Alexander's remains and fortune extends to four countries.

Josh hunts riches stolen by British loyalists during America's Revolution.

Josh searches for wreckage of a bomber that helped defeat the Nazis.

Josh dives the waters off Tanzania to find a lost city and its riches.

Josh dives the Ivory Coast in search of 18 US servicewomen lost in WWII.