La Basilique du Sacré-Cœur, located in Montmartre, Paris, is a stunning Roman Catholic church dedicated to the Sacred Heart of Jesus. Completed in 1914, its distinctive white dome is made of travertine stone, which gives it a bright appearance. The basilica is a popular tourist destination, offering panoramic views of the city from its dome. The architectural style of the basilica is a blend of Romanesque and Byzantine influences, characterized by its large, circular dome and intricate mosaics. Inside, visitors can admire the grand mosaic of Christ in Majesty, one of the largest in the world, which adds to the basilica's spiritual ambiance.