Saint Mark's Basilica is a stunning cathedral located in Venice, Italy. Known for its intricate mosaics and unique architecture, it was originally built in the 9th century to house the relics of Saint Mark, the patron saint of Venice. The basilica features a blend of Byzantine, Romanesque, and Gothic styles, making it a remarkable example of historical architecture. The exterior of the basilica is adorned with beautiful sculptures and a grand façade, while the interior boasts over 8,000 square meters of mosaics that depict biblical scenes. Saint Mark's Basilica is not only a place of worship but also a significant cultural landmark, attracting millions of visitors each year.