The Metropolitan Cathedral, Catedral Metropolitana in Spanish, is the mother church of Catholic Buenos Aires. First built in 1590, it is a mix of architectural styles - neoclassical, neo-Renaissance, Rococo and Baroque - and decked with detail. The 19th century façade is neoclassical. Corinthian columns adorn the portico. The wood altarpiece is Rococo. The 18th century vessels and dome are neo-renaissance in style. The walls and ceilings are frescoed, the Cathedral is trimmed with statues. The Metropolitan Cathedral houses the ornate 'guarded' mausoleum of José de San Martín, an Argentine nati... Read Moreonal hero.