The Cathedral Basilica of Our Lady of Peace anchors the east side of Plaza Murillo and is, by the standards of South American cathedrals, a relatively restrained building. Construction began in 1831 and the cathedral was not consecrated until 1925 — nearly a hundred years of work, interrupted by wars, coups, and funding crises that make the timeline feel very Bolivian. The result is neoclassical: a broad facade with twin towers, carved stone saints in the niches, and a pale grey exterior that looks best in the low morning light.
Inside, the scale is grander than the exterior suggests. There are elaborate side chapels, colonial-era paintings, and enough gold leaf on the altarpieces to remind you that this was once a country extracting silver from Potosí in industrial quantities. The nave is cool and dim even on bright days. Mass is said here on Sundays and the cathedral fills with a congregation that is neither tourist nor performance — it is a working church, and that gives it a different quality than the museums-with-altars you find in wealthier countries. Entry is free.