1. Snake Island, Brazil
Researchers are well aware of Snake Island, but no regular person is permitted to visit this little island some 93 miles from Sao Paulo, Brazil. Officially called Ilha da Queimada Granda, the place is home to an estimated 2,000-4,000 snakes. Not just any snakes, but golden lanceheads populate Snake Island.
Golden lancehead snakes are known for their shockingly potent poison, which disintegrates the flesh around their bites. Yikes! Best let the researchers take and share some pictures.