The city of Paris is home to many iconic landmarks, including the Élysee Palace, a historic building that has served as the official residence of the President of France since 1848. The Arc de Triomphe is an iconic monument located at the center of the Place Charles de Gaulle, which was commissioned by Napoleon in 1806. The Eiffel Tower is a wrought iron lattice tower located on the Champ de Mars in Paris, and is one of the most recognizable structures in the world. It was built in 1889 for the World's Fair.