Knock knock! Anybody there? Knock knock! Open the door, please!

Wait, wait, wait. Don't open the door. Well, why?

The answer is simply because it is a mystery door. And the mystery of history is always contradictory.

Doors are made to open and close. But some doors of mystery always stay closed and should never be opened. Like the mystery spot, if someone visits at a prohibited time, they lose their life. Similarly, there are some doors that you should never open or else be ready to face the curse upon you.

Now, these are stories of the mystery of history, and no one knows which story is the authentic one. If you are curious to know about such mystery doors as well as open the doors of mystery spots, you are in the right place.

Here are 4 mystery doors that should never be opened. So let us dig the mystery of history or the "history of mystery doors," whichever suits you.

Taj Mahal

Location: Agra, India

Before you consider "Taj Mahal" as a mistake in this list of mystery doors, it should be clear that it is not the main door of the Taj Mahal we go through. Since we are finding the mystery of history, it should not slip your mind that the Taj Mahal itself is a mystery spot along with being a wonder.

Shah Jahan built the Taj Mahal in memory of his beloved wife, who died just after giving birth to their 14th child.

The architecture of the Taj Mahal is marvelous. It has to be the one, after all, and it is one of the seven wonders of the world. Coming to the main point, why shouldn't you open the door of the Taj Mahal?

There are numerous sealed rooms in the basement of the Taj Mahal, and no one is allowed to enter. There are many theories explaining the reason for not opening the door of these rooms.

One of the most widely accepted theories which make logical sense is a scientific one.

The sealed chambers are made up of marbles, which can transform into calcium carbonate if exposed to carbon dioxide. In reaction, the marble will deteriorate and crumble down; that is why the chambers are sealed and kept out of the public eye. If too much CO2 gets into the basement, the four towers that surround the Taj Mahal may collapse.

Banff Springs Hotel

Location: 405 Spray Ave, Banff, AB T1L 1J4, Canada

The official name of this hotel is The Fairmont Banff Springs. The location of this hotel is perfect. It gives you a mind-blowing view of Mount Rundle and Bow valley there. The hotel is located at an altitude of 1,414 meters.

Despite being in such a beautiful and peaceful place, one room of the hotel is a mystery spot. Many mysterious stories of this hotel have emerged in the past years. Out of the many, the mystery of room 873 is the most mysterious.

Room 873, which was on the 8th floor, is now mysteriously missing. Instead of the door, there is a long stretched wall. It looks as if someone sealed the room. Knocking on the wall, you will find that it is hollow, which confirms a room behind the plastered wall.

People say that in 1928 a married couple and their daughter checked in, but none of them was alive. The man killed his wife and his daughter before killing himself. People who had stayed in the room claim that the family still haunts Room 873. They complained about the screams and reflection of a girl in the mirror. This is the reason why the room is sealed.

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Great Sphinx of Giza

Location: Al Giza Desert, Giza Governorate, Egypt.

Egypt is famous for its archaeological sites as well as mystery spots, and in Egypt, Giza is famous for its pyramids. It is one of the favorite mystery spots for the researchers solving the mystery of history.

There is a Hall of records somewhere beneath under the sands. Archaeologists believe that there are caverns beneath the Sphinx, but the Egyptian government has so far not allowed any additional excavation or research into the caverns.

Many people support the government for not permitting open the door. Some believe that there might be aliens or something supernatural that should not be distributed. Already the pyramid of Giza is famous for cursing those who disturb. So it is better not to open the door to this mystery spot.

Padmanabhaswamy Temple

Location: West Nada, Fort, East Fort, Pazhavangadi, Thiruvananthapuram, Kerala 695023, India

The Padmanabhaswamy temple is a Hindu temple. The structure of this temple is a perfect fusion of Chera and Dravidian styles. The principal deity Padmanabhaswamy (Vishnu) is enshrined in the "Anantha Shayana" posture, the eternal yogic sleep on the serpent Adi Shesha.

The temple has a golden history and an unspoken mystery. But the mystery of history is locked behind the mystery doors.

The temple has 6 vaults, and one of the chambers continues to remain locked. One Trillion Dollar hidden treasure chamber was discovered in 2015. Many believe that a larger amount of wealth is still locked behind the mystery door. Every treasure story has an attached mystery and fear. It is said that two cobras are protecting the treasure kept inside.

At the same time, a massive amount of gold from its repositories has mysteriously disappeared. Up to 769 Gold Pots and Silver bars have been reported missing. They found all the treasure that was in five of the vaults, but vault B was never opened. This mystery door has made headlines in every possible newspaper.

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Parting thoughts

Reading about the doors of these mystery spots would have baffled your mind. Some would have surprised you, while some would have given you a shock. It may look scary at first sight, but it definitely would have enriched your fantasy. One day we may know what is behind these mysterious doors.

Would you like to visit any of such mystery spots? If yes, all you need is good luck. Which door is the scariest for you? Hope it wasn't your principal's room.