Just when you thought you knew everything about World War II, The Secret War uncovers more incredible stories that exist under the radar.
The Secret War uncovers acts of courage, ruthlessness, double dealing and betrayal in WWII
See the most striking strongholds created by Hitler's regime - that you can visit
From Prince Philip’s work in WWII, to the royal who was eager to get into the trenches
The Reichstag Fire helped set Hitler gain total power – but were the Nazis behind it?
You know the main events, but what about the hidden ones?
How did one man start the Cold War?
From Parliament battles, to the Yalta Conference, these are the days that shaped WWII.
There's far more to Prince Philip than many people realise.
The killing of the Fascist dictator has fuelled bizarre conspiracy theories.