Will be prohibited from ordinary travelers in such a way that they can never go.  Starting from places where some of the world's secrets are kept, to places where tourists are kept away for historical preservation, it is possible to see like this... Here are some forbidden places in the world*.

Ise Grand Shrine.

Ise Grand Shrine is one of the most important and expensive shrines in Japan.  Its architectural grandeur and ancient Shinto traditions make it unique.  The temple is built every two decades and millions of dollars are spent in the process.  The most important thing about this temple is that only the royal family members are allowed to enter this temple.

Snake Island, Brazil

It is one of the most forbidden places in the world.  Located in Brazil, the island is, as the name suggests, teeming with different species of snakes.  Many people who have come here have died due to snake bites.  After several unfortunate incidents, the Brazilian government has blocked entry here.

Cape Melville National Park, Australia
Cape Melville National Park, Australia
A beautiful peninsula in Australia, Cape Melville National Park is filled with massive granite cliffs and dense rainforest.  While exploring the area in 2013, a group of scientists discovered three new species endemic to the peninsula.  Dubbed the 'Lost World', the place has gained fame among scientists. No new explorations are allowed here to save it from being damaged by over-exploration.

Lascaux Caves, France
 

The Lascaux Caves in France are one of the most unique archaeological wonders in the world.  Archaeologists from all over the world want to visit this place at least once.  They love to visit this cave and explore its unique cave system that contains prehistoric paintings.  Some of these paintings are around 17,300 years old.  Visits to the site are restricted due to fear of damage to the ancient art work due to too close proximity of humans.

Surtsey Island, Iceland

An exotic island located in an archipelago off the coast of the island is one of the world's best kept secrets.  The island came into being after a powerful volcanic eruption that lasted for four years.  The island is now open only to geologists and scientists.  Tourists are not allowed here because the island's ecosystem is so fragile that it could be destroyed by human encroachment.

Doomsday Vault

Located near the Arctic Svalbard archipelago, Doomsday Vault is a seedy back.  This secret bank contains a variety of plant seeds.  The purpose of this vault is to save the seeds in case of any global crisis or other.  Boxes of seeds are collected from every nook and corner of the world and sent here for preservation and long term storage.  Only guests can enter the vault on certain dates.

Dulles Base

Dulles Base, a small town located in New Mexico near the Colorado border, is a forbidden place for travelers to visit.  In this town there is an underground laboratory where a group of scientists conduct incredible experiments.

Heard Island, Australia

It is one of the many unexplored places in the world.  Located between Madagascar and Antarctica, this island is an integral part of Australia.  The island has two active volcanoes and the land here is completely barren.  Limestone and sediments are the result of frequent volcanic eruptions.  .  The natural habitat here is very fragile.  Therefore, entry to this island is prohibited by the Australian government.

North Brother Island

One of the most famous but secluded islands in the USA, North Brother Island is inaccessible without prior permission.  This is the hospital that housed Typhoid Mary, the first American woman to contract deadly typhoid fever.  Currently this place is closed to the public.

Kano Crystals

Known for its breathtaking beauty, the Columbian River is one of the world's hidden paradises.  The river looks colorful with colors like yellow, red, green, black, blue and red.  It is also called Liquid Rainbow or River of Five Colors due to its multiple colors.