Off Brazil's coast lies Ilha da Queimada Grande, or Snake Island, a place so dangerous it's forbidden to the public. Home to the critically endangered golden lancehead viper, its venom is potent ...

Roughly 33 kilometres off Brazil’s São Paulo coast sits a rocky lump just 106 acres wide. Locals call it Ilha da Queimada Grande, but the rest of the world knows it as Snake Island.

Places with extreme climatic conditions 1. Snake Island, Brazil Ilha da Queimada Grande, commonly known as Snake Island, is located about 33 kilometers off the coast of São Paulo, Brazil.