11. Area 51 in Nevada.
Rumors have it that there are UFO sightings within this area. Later researchers reveal that the site is used as a development and testing ground for top military aircraft, one of which is the U-2 and A-12.
12. North Sentinel Island, a mysterious island south of Andaman.
North Sentinel Island is considered as one of the most dangerous of the 200 remote islands in the Andaman Islands chain.
13. Doomsday Seed Vault in Svalbard, Norway.
This Arctic vault was set up to house seeds of almost a million different species. This massive storehouse can hold up to 2.5 Billion seeds enough to save the world in case of natural disaster.
14. Snake Island in Ilha da Queimada Grande.
With about 430,000 venomous golden lancehead pit vipers scattered all over the island, the island is an unsafe place to explore. The area is kept close to the public, except for the Brazilian Navy and a few researchers who study the snake.
15. The Ise Grand Shrine in Japan.
The Shrine which was built about 2000 years ago is said to be a place dedicated to the sun goddess Amaterasu.
