The Eiffel Tower is a famous wrought iron lattice tower in the heart of the city of Paris, France. The Eiffel Tower was designed and constructed by the company of Gustave Eiffel, a French engineer, in 1889, when the World’s Fair, also known as the Exposition Universelle, was held in the city to celebrate the centennial of the French Revolution. Today, the Eiffel Tower is the most visited paid monument in the world and the most important global symbol of the city of Paris and the country of France.