Basilica di San Marco
The Patriarchal Cathedral Basilica of Saint Mark (officially known in Italian as the Basilica Cattedrale Patriarcale di San Marco and commonly known as Saint Mark's Basilica) is the cathedral church of the Roman Catholic Archdiocese of Venice, northern Italy. It is the most famous of the city's churches and one of the best known examples of Byzantine architecture. It lies at the eastern end of the Piazza San Marco, adjacent and connected to the Doge's Palace. Originally it was the chapel of the Doge, and has only been the city's cathedral since 1807, when it became the seat of the Patriarch of Venice, archbishop of the Roman Catholic Archdiocese of Venice, formerly at San Pietro di Castello. For its opulent design, gilded Byzantine mosaics, and its status as a symbol of Venetian wealth and power, from the 11th century on the building has been known by the nickname Chiesa d'Oro (Church of gold).
At some point in its history, the Basilica became home to one of six Assassin's Tombs that protects Amunet's Seal. Once you enter the Basilica via the skull-switch, Ezio attempts to pull four levers that are situated at the ceilings of the four halls of the inside. Each lever rotates a circular shape of the mural in the center of the basilica that, once all levers have been pulled, forms the Assassin insignia that causes the mural to retract onto the floor revealing Amunet's Tomb. St Mark's Bascilica is a restricted area in game and is surrounded by many guards.