4Snake Island (Ilha da Queimada Grande), Brazil

Snake Island is one of the most dangerous places on Earth. It is home to thousands of venomous snakes, especially the golden lancehead viper.

These snakes are extremely venomous, and their bite can kill a human quickly. There are so many snakes that you can find one every few meters. The Brazilian government has banned visitors from entering the island. Only scientists are allowed, and even they take extreme precautions.

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