Which countries in South America are worth visiting?

Basically, South American tourism is about four countries, Brazil, Argentina, Peru and Chile.

Brazil mainly relies on the tropical rain forest scenery, the new urban appearance (Rio de Janeiro (Christ is one of the new seven wonders), Sao Paulo, Brasilia) and the majestic momentum of Iguazu Waterfall.

Argentina mainly sees the glacier scenery and Tierra del Fuego, and small towns with strong feelings like Buenos Aires and Cordoba are also worth visiting.

Peru mainly looks at Nazca rock paintings, which are quite spectacular; In addition, Machu Picchu in the northeast of Cuzco is an ancient Mayan city in decline, which is quite interesting.

Punta arenas, Chile is good, Santiago is very Spanish, and Easter Island is beautiful, but it is difficult to go. ...