1.Snake Island
dangerous placesOff the coast of Brazil, south of São Paulo, is an island called Ilha de Queimada Grande (Snake Island). The island is untouched by humans, and for very good reasons. The researchers estimate that the island's life between 1-5 snakes per square meter. That number may not be so terrible if the snake was, say, 2 inches in length and are not venomous. The problem,