The Duomo di Firenze, officially known as the Cathedral of Santa Maria del Fiore, is a stunning cathedral located in Florence, Italy. It is renowned for its magnificent dome, designed by Filippo Brunelleschi, which was completed in 1436. The cathedral's exterior features intricate Gothic architecture and colorful marble facades, making it a prominent landmark in the city. The Duomo is part of a larger complex that includes the Baptistery of San Giovanni and the Campanile di Giotto. Visitors can climb to the top of the dome for breathtaking views of Florence. The cathedral is a UNESCO World Heritage site and attracts millions of tourists each year.