The secret that saved the Eiffel TowerHow a temporary exhibit became a permanent Parisian icon.

From the show

Hidden Sides of History

Paris's most iconic landmark was never meant to last. Built for the 1889 World's Fair, the massive iron structure was scheduled for demolition just two decades later. Its creator had to prove its scientific and military value to save it from the scrapyard, transforming a controversial art piece into a crucial piece of wartime technology.