Iglesia Nuestra Señora del Pilar (Basilica of Our Lady of the Pillar), Buenos Aires

The Basilica of Our Lady of the Pillar is one of the oldest surviving churches in Buenos Aires. Built as part of a Franciscan monastery by the Recollect Friars, it was completed in 1732 on what was then the city’s northern edge. The church’s construction was funded by a benefactor from Zaragoza, Spain, on the condition that it be dedicated to the Virgin of the Pillar.

The basilica’s exterior is defined by a modest yet elegant colonial design, with a whitewashed façade that contrasts sharply with the later Belle Époque architecture surrounding it. Inside, the space opens into a single central nave intersected by a transept, covered by a sail vault and flanked by shallow side chapels. The interior is notably rich, featuring original altarpieces, extensive gold leaf, and a baroque main altar adorned with Inca-inspired motifs and silverwork from Peru. A gilded Madonna forms the visual and spiritual focal point of the church. Baroque details continue in the pulpit and side altars, with finely carved 18th-century woodwork, while an altar containing relics is traditionally linked to a gift from King Carlos III of Spain.

On weekends, the plaza in front fills with craft, art, and food stalls, adding a lively counterpoint to the church’s quiet interior.