Sacré-Coeur Basilica
The Basilica of Paris, the Sacré-Coeur, is located at the tallest point of Paris. It was built between 1875 and 1914, and designed by Paul Abadie. This particular Basilica is a symbol of two national moments: the defeat of France in the Franco-Prussian War, and the socialist Parisian Commune crowning its most rebellious neighborhood.
The Sacré-Coeur Basilica is open to visitors every day and admission is free. Have a look at the official website for more visitor info. Get directions.