Jesuit Missions of the Guaranis aka: San Ignacio Mini, Santa Ana, Nuestra Señora de Loreto and Santa Maria Mayor (Argentina), Ruins of Sao Miguel das Missoes (Brazil)

100% of people who have been to Jesuit Missions of the Guaranis think it's worth visiting. Jesuit Missions of the Guaranis is featured on the lists All 911 UNESCO Heritage Sites, UNESCO World Heritage Sites in Argentina, and Cultural Heritage Sites.