The impressive fortifications and defensive strategies used during Spain’s dramatic history of conflict, from the Middle Ages to the Civil War.
Discovering how France constructed ingenious fortifications, on a massive scale, to defend itself against attacks from the east.
The story of how the Netherlands, locked in a constant battle with water, has harnessed this threat to become a powerful European player.
The story of how Poland, one of the most invaded countries in Europe, has survived against all the odds.