Eiffel Tower,wrought-iron tower in Paris,a landmark and an early example of wrought-iron construction on a gigantic scale.It was designed and built by the French civil engineer Alexandre-Gustave Eiffel for the Paris World's Fair of 1889.The tower,without its modern broadcasting antennas,is 300 m (984 ft) high.The lower section consists of four immense arched legs set on masonry piers.The legs curve inward until they unite in a single tapered tower.Platforms,each with an observation deck,are at three levels; on the first is also a restaurant.The tower,constructed of about 6300 metric tons (about 7000 tons) of iron,has stairs and elevators.A meteorological station,a radio communications station,and a television transmission antenna,as well as a suite of rooms that were used by Eiffel,are located near the top of the tower.
