Lost Bridges (S01E03)

Bridges, marvels of engineering, span some of the planet's largest rivers and deepest valleys. Our journey takes us high into the Colorado desert mountains to explore a concealed engineering wonder that is at risk of vanishing. We investigate the overgrown concrete in a Czech reservoir, dubbed 'Hitler's bridge,' and discover the rapid collapse of the world's highest bridge in under a minute. Lastly, we delve into the intriguing tale of Cape Town's invisible bridge, which astonishingly never supported a single vehicle.