the Eiffel Tower

US /ˌaɪfəl ˈtaʊər/
UK /ˌaɪfəl ˈtaʊər/
"the Eiffel Tower" picture
1.

a wrought-iron lattice tower on the Champ de Mars in Paris, France, named after the engineer Gustave Eiffel, whose company designed and built the tower

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We visited the Eiffel Tower during our trip to Paris.
The Eiffel Tower is one of the most famous landmarks in the world.