Modern Marvels explores World War II as the ultimate global arms race—where victory depends on who can invent, build, and scale the most incredible engineering marvels. Across three electrifying episodes, the series moves from terrifying Superweapons and massive Mega Builds to fascinating Gear and Gadgets that change the course of history. It's WWII as an all-out battle of innovation—where the world's greatest scientists and engineers decide the fate of nations and influence the technology of today, revealing how urgency, ambition, and imagination accelerate breakthroughs that permanently reshape warfare, industry, and everyday life.