Dan explores the vicious Battle of the Atlantic by digging up a Spitfire in Northern Ireland, diving into an underwater graveyard of tanks, and taking a U-boat hunting seaplane for a spin.
Dan explores Canada's role in the air war by going diving for wreckage from a famous transatlantic crash, checking out a top-secret German missile bunker, and solving the mystery of a tragic crash.
Dan travels to a beautiful Italian valley and a Dutch hotel, to uncover hidden evidence of massive battles and speaks to the soldiers who fought in them.
Dan explores both sides of D-Day, the greatest amphibious landing in history, follows the Allied push into occupied France, and checks out an incredible submarine graveyard.