The Cathedral of Sacré-Cœur, also known as the Basilica of the Sacred Heart, is a prominent Roman Catholic church located in Montmartre, Paris. Completed in 1914, it features a distinctive white dome and a blend of architectural styles, primarily Romanesque and Byzantine. The basilica is situated at the highest point in the city, offering stunning views of Paris. The interior of the cathedral is adorned with beautiful mosaics, including the famous Christ in Glory, which is one of the largest mosaics in the world. The Sacré-Cœur is a popular pilgrimage site and attracts millions of visitors each year, making it a significant landmark in Paris.