Florence Cathedral, officially known as Cattedrale di Santa Maria del Fiore, is a stunning Gothic cathedral located in Florence, Italy. It was designed by Arnolfo di Cambio and construction began in 1296, taking nearly 140 years to complete. The cathedral is famous for its magnificent dome, engineered by Filippo Brunelleschi, which remains one of the largest in the world. The exterior of the cathedral is adorned with colorful marble in shades of green, pink, and white, creating a striking visual effect. The cathedral is part of a larger complex that includes the Baptistery of St. John and the Giotto's Campanile, making it a significant landmark in the city and a UNESCO World Heritage site.