The symbol of France, and until 1929, the tallest structure in the world, until it was surpassed by The Chrysler Building.
Known also as "Temple of the Holy Family", it is considered to be the master-work of renowned Catalan architect Antoni Gaudí. It is a bold project, which became one of Spain's main attractions.
Notre Dame Cathedral is considered one of the best examples of French Gothic architecture in Europe.
If you have the chance to visit Rome, don't miss out on this impressive construction, one of the most recognizable Roman landmarks.
The official London residence of Britain's sovereigns since 1837 and today is the administrative headquarters of the Monarch.
This small slice of the city is packed with more history and artwork than most cities in the world.
The national museum of France and one of most visited and most important museums in the world.