Where: Paris, France

Built: 1887 to 1889

The 1,000ft-high tower is the most famous symbol of Paris and has been visited by more than 200million tourists. Built in 26 months by Gustave Eiffel, it was the keystone of the Universal Exposition celebrating the 100th anniversary of the Frebch Revolution in 1889.

"The Eiffel Tower doesn't look straight" - Lonely Planet French phrasebook