As a landmark of Macao, the Ruins of Saint Paul's attract tens of thousands of visitors to visit and take photos there. The ruins of a 17th century Catholic religious complex, including the facade of the Church of Saint Paul and the Saint Paul's College, are one of the Seven Wonders of Portuguese Origin in the World. The architectural style of the Ruins of Saint Paul's is a blend of Eastern and Western aesthetics and craftwork. Thanks to their cultural and historical value, they were listed in 2005 as part of the Historic Centre of Macao, a UNESCO World Heritage Site.