If you’ve ever looked at a map of the Netherlands and thought, “Wait… half of this country shouldn’t even exist,” then you’re not alone, and that’s exactly what the Map Men are here to explain. In their latest video, Jay Foreman and Mark Cooper-Jones show us how the Dutch didn’t just fight the sea, they bullied it into submission with dikes, dams, and windmills. Basically, this is the story of how the Netherlands became the world’s first real-life “land DLC.” Check it out!

[Via Neatorama]