Top War & Military YouTube Channels in 2026 from Spain

Quantum Tech HD is a Spain-based documentary channel that curates and dubs the world’s most jaw-dropping DIY, mega-construction and restoration projects—from building luxury A-frame houses in nine months to forging 5-ton temple bells designed to ring for 1,000 years. Every 30- to 60-minute episode is a cinematic “start-to-finish” journey, narrated in English and stitched together from global creators, so viewers witness every weld, pour, carve and polish without filler or click-bait. With 18 million subscribers and 3 billion views, the channel has become the go-to binge destination for people who want to see ordinary people attempt extraordinary feats on impossible budgets and deadlines. Whether it’s a father-daughter duo erecting a family home in three years or a lone craftsman hand-building an RC submarine, Quantum Tech HD compresses years of grit into satisfying, inspirational television that leaves you believing you could pick up the tools tomorrow.