36. Niihau, Hawaii.
Known as the Forbidden Island, Niihau is the 7th largest uninhabited island. This island has been closed to the public and is accessible only to the relatives of the island’s owners, US Navy personnel, government officials, and invited individuals to preserve its wildlife.
37. East Rennell, Solomon Islands.
Declared a UNESCO World Heritage Site in 2013, East Rennell is part of Solomon Islands. The island is on the list of endangered places as it faces threats from commercial logging of its forests and overexploitation of its marine resources.
38. Easter Island, Chile.
Easter island is one of the most remote islands in the world were huge statues, standing up to 30 feet tall were erected. The island measures 15 miles long and 10 miles wide only.
39. Negev Nuclear Research Centre in Israel.
This nuclear facility located in the desert or Israel is a heavily guarded fortress that is also a no-fly zone.
40. Woomera Prohibited Area in Australia.
The Woomera Prohibited Area is the biggest land weapon-testing range in the world and is strictly a no-go zone for anyone, except those authorized to work there. It covers an area of about 124,000 square kilometers.