Add Yahoo as a preferred source to see more of our stories on Google. Paris’s most famous monument is never exactly the same height twice. Conceived in 1884 as the Tour de 300 mètres, the iron lattice ...

More than just a tourist attraction, the Eiffel Tower is a masterpiece of architecture and physics. Built for the 1889 World's Fair, it defied expectations and changed the Paris skyline forever.

Two of his senior engineers, Maurice Koechlin and Emile Nouguier, drafted the first version in 1884. At first, Eiffel wasn’t impressed by their sketches—he thought they looked too plain. But once ...