Gustave Eiffel, an engineer, designed the tower and oversaw its construction.
The Eiffel Tower took two years, two months, and five days to build.
The tower was widely criticized by artists and intellectuals when it was first erected.
The Eiffel Tower was almost demolished in 1909 but was saved because of its use as a radio tower.
Today, the Eiffel Tower is one of the most recognizable structures in the world.