#2 Area 51
The Area 51 is the most prohibited place on the planet earth. No one other than authorized US Army personnel are allowed to access.
It is claimed that US Arm holds new weaponery and technology here
#1 Snake island
Almost 93 miles away off the shore of Brazil is Ilha da Queimada Grande, also known as “Snake Island”. The island has been undisturbed by humans for centuries. Only a selected number of researchers are allowed to visit this island.
It is claimed that this island is a habitat for more than 5000 venomous snakes which feed on the birds mostly.