Despite the globalization that makes us feel that the world is more open than ever, there are still places that are hidden in the mystery, sometimes for good reasons.
Our planet has so many miracles to explore. However, there are some places that are very dangerous, highly protected or perhaps very special to visit, even for the most seasoned travelers.
These countries are completely extinct from the outside world.
Forbidden to the public, these countries allow only the entry of authorized persons.