Best known of the bunch is Argentina 's San Ignacio Mini , but Paraguay 's Mision Jesus de Tavarangue and Mision la Santisima Trinidad de Parana , near the southern city of Encarnacion , are almost equally well-preserved ruins . Paraguay 's subtropical forests , broad rivers and unusual history can make it an intriguing detour . Nearly 90 % of Paraguayans speak Spanish and indigenous Guarani . Comment:
Paraguay 's subtropical forests , broad rivers and unusual history can make it an intriguing detour . Nearly 90 % of Paraguayans speak Spanish and indigenous Guarani . Comment: