Most European countries use the euro as currency. France has a population of over 63 million people and joined the European Union in 1952 along with Belgium, Germany, Italy, Luxembourg, and the Netherlands when the EU first started. Some famous French landmarks include the Eiffel Tower, Arc de Triomphe, Louvre, Mont-Saint-Michel, and Sacre Coeur, and traditional French foods include snails, oysters, croissants, and frog legs.