9. Snake Island (Ilha da Queimada Grande)
Ophidiophobes, please stay away from this 430 sq m island, 90 miles off the coast of Brazil. This place is the definition of hell for anyone with a phobia for snakes (a third of adult humans). There are snakes on every square inch of the island; and we don’t mean tiny thread snakes.
Ilha da Queimada Grande is home to the largest population of the Golden Lancehead Viper, Bothrops insularis. Their concentration is estimated at one to five snakes per square meter. The lancehead viper is South America’s deadliest reptile; it’s responsible for 90% of snakebite fatalities in Brazil.
As they have no predators here, the vipers have evolved one of the fastest-acting venoms known to man. Their poison has been documented as melting the flesh around the bite. This place is so dangerous that a permit from the Brazilian Navy is required to visit.
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