It is a small Roman Catholic church and is considered the second most visited monument in Paris, as it is one of the most distinguished landmarks in the city as it is located at the highest point in the city. Its construction dates back to the 19th century AD, as it was built by the French government in the aftermath of the Franco-Prussian War, with a large medieval dome that offers excellent views of the city. Do not miss the opportunity to visit this outstanding landmark and enjoy its exceptional beauty.