Cathedral of Brasília, Brasília, Brazil: The Cathedral of Brasília is the Roman Catholic cathedral serving Brasília, Brazil, and serves as the seat of the Archdiocese of Brasília. It was designed by Brazilian architect Oscar Niemeyer and engineered by Brazilian structural engineer Joaquim Cardozo, and was completed and dedicated on May 31, 1970. Wikipedia
Obelisco, Buenos Aires, Argentina: The Obelisco de Buenos Aires is a national historic monument and icon of Buenos Aires. Located in the Plaza de la República in the intersection of avenues Corrientes and 9 de Julio, it was erected in 1936 to commemorate the quadricentennial of the first foundation of the city. Wikipedia
Bogota, Colombia: Bogotá is the capital and largest city of Colombia, and one of the largest cities in the world. The city is administered as the Capital District, as well as the capital of, though not part of, the surrounding department of Cundinamarca. Bogotá is a territorial entity of the first order, with the same administrative status as the departments of Colombia. Wikipedia
La Paz, Bolivia: La Paz is the seat of government and de facto capital of the Plurinational State of Bolivia. La Paz is the third-most populous city in Bolivia. As the seat of the government of Bolivia, La Paz is the site of the Palacio Quemado, the presidential palace. Wikipedia