Discover Argentina and Brazil Latin Triangle the highlights of both countries. Linked together by Iguazu Falls, Brazil, and Argentina provide a scenic setting for an unforgettable tour. In Argentina, visit Buenos Aires, the capital of Tango, and see its main sites such as Casa Rosada and Plaza de Mayo. In Brazil, explore Rio de Janeiro and take a train ride through the Atlantic Rainforest to see beautiful landscapes of green mountains and subtropical forests. By combining tours to Brazil and Argentina, you’ll get an incredible taste of South America’s geographical and cultural diversity.