The Amazon rainforest is the world's biggest tropical rainforest and most biodiverse terrestrial environment, comprising over 5.5 million square kilometres (2.1 million square miles) across nine…

Brazil's favelas (informal urban settlements) are predominantly centred in big cities like Rio de Janeiro, São Paulo, Salvador, and Brasília, housing around 17.9 million people…

Iguazu Falls, which straddles the Brazil-Argentina border and includes a lesser cascade in Paraguay, is made up of around 275 separate waterfalls spread across a 2.7-kilometre (1.7-mile) crescent…