A Rio Negro cruise: monkeys, piranhas, sloths, dolphins, and snakes. (opens in new tab)

Our tour of South America next took us to Brazil; specifically – to the city of Manaus (after a few adventures in São Paulo). But Manaus was just our base. The attraction was something a lot bigger and a lot more famous (just noticed – its Wikipedia page comes in a full 200 languages; rarely see that!). Have you guessed it yet? Yes, it’s the Amazon – the world’s largest (by both water volume and drainage basin) and arguably the longest river in the world! Actually, we were more generally expl...