Brazil’s Ilha de Queimada Grande is the only home of one of the world’s deadliest, and most endangered, snakes ...

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 ...

Seven (Bonus point if you can name them all - Asia, Africa, North America, South America, Antarctica, Europe, and Australia.