When the Eiffel Tower was first built in 1889 for the World's Fair in Paris, France, it was the tallest structure in the world. It held that title for 42 years until it was overtaken by the Chrysler ...

The Burj Khalifa is about three times taller than the Eiffel Tower and nearly twice the height of the Empire State Building.

Think the Empire State Building, the Sydney Opera House or the Burj Khalifa. But the Eiffel Tower stands out from the pack because of its 19th-century age—and its legacy as one of the world’s ...