What is most famous landmark?

Eiffel Tower: One of the most iconic landmarks in the world, the Eiffel Tower is a wrought iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Gustave Eiffel, whose company designed and built the tower. Constructed in 1889 as the entrance arch to the 1889 World's Fair, it has become one of the most-visited landmarks in the world and a global cultural icon of France and one of the most recognizable structures in the world. The Eiffel Tower is 324 meters (1,063 feet) tall, and has three platforms that offer panoramic views of Paris. It is illuminated at night, and hosts a light show that sparkles every hour on the hour, from dusk until 1 a.m.