Construction of the Eiffel Tower began on Jan. 28, 1887 and was completed in March of 1889. It served as the entrance arch to the 1889 World's Fair on the Champs de Mars in Paris.
The tower is an iron lattice structure standing 1,063 feet tall and is the tallest structure in Paris. At the time of its construction, it was the tallest man-made structure in the world. The tower has become a cultural icon of France, and is one of the most recognizable structures in the world. It is the most-visited paid monument in the world, with nearly 7 million people visiting the tower in 2011.