Despite extensive research, no conclusive scientific explanation has been found for these incidents.

غلا السلمي

He was carried out over the English Channel in a balloon and never seen again.

After that, reports came from England and France that there were lights in the sky.

Also, lifeguards reported seeing a balloon in space, it shot out sparks as it disappeared into the clouds.

Actually, what happened to Walter's balloon, remains unknown to this day.

روبى منشي

One puzzling mystery event in physics is dark energy, discovered in the late 1990s.

It's thought to drive the accelerated expansion of the universe.

Still, its origin and nature remain a mystery, challenging our understanding of the cosmos.

تولين

There are many theories about crop circle formation which include earth energies, unusual weather, magnetic field and other think they are work of human hands.

But the exact reason behind crop circles remains a mystery.

نور اسامه

There are some signs that indicate its existence, for example, the maps that Columbus studied contained a large island that does not exist at the present time, which is believed to be Atlantis.

Also, researchers found a wall 120 km long in the depths of the Atlantic Ocean, and it is not yet known whether it is the remains of the lost continent.

فيَ الثمالي

Fortunately, he managed to contact his parents for assistance. They hurried to him, but he wasn't there.

Despite an extensive search, no sign of the young man or the car was found.

Days later, the car was found 50 meters from his spot, but Brandon is still missing to this day.

ايه ريان

Jack the Ripper was an English serial killer. Between August and November 1888, he murdered at least more than five women in London. All the murdered women were prostitutes.

Jack the Ripper was never identified or arrested, and the case was never solved.

Today, there are many tourist sites associated with Jack the Ripper murders.

جوري سابو

The Sea of Stars depends on several factors, including the year’s climate but nobody can predict when and where the event will occur.

ساره الزهراني

Two weeks after she left, her car was found wrecked down on the road. All her belongings were found in the car. However, there was no trace of her body or her cat.

Leah's case remains a mystery to this day.

غيداء عبدالمحسن

The phenomenon is generally described as a ball of light that appears during thunderstorms.

Scientists think that ball lightning is real, but how it happens is an open question.

رهام حسين

The colour of the lake turns pink when the heat begins. However, the color also changes throughout the day, depending on the light outside and conditions in the water.

In fact, there are dozens of pink lakes around the world that attract visitors with their rare beaty.

نور محمد

He demanded $200,000 dollars and 4 parachutes.

Despite the extensive investigation, Cooper was never found, and the case was never solved.

ليلى فياضه

The water freezes during the winter resulting in turquoise-coloured ice formations.

حياة& وريف

In fact, once the ship was found, there was still a large part of it out of the water, but there was not a single person on it.

The ship originally carried 25 people but during the search, no one was found.

This story left many puzzled as to why the crew had not remained on board and waited for help. and how none of their bodies were found?

ليان احمد

The ship was undamaged, and it was stocked with enough food and water to last six months, the only thing missing was its crew!

رهف الصحفي

Easter Island is also known by Rapa Nui. It was discovered on Easter Day 1722.

It is a remote and small island that famous for its huge stone heads.

It is still unknown why these statues were built, or how they were moved around the island.

رؤى اليوبي

There are doubts about her being murder, but the real cause of her death is still unknown.

دانيه كبيش

In 1587, a group of 114 people decided to establish a colony in America.

Their leader "John White" went to England to get more supplies and tools, but when he returned, he found no trace of the people he left behind, everyone had vanished!

لانا الغامدي

It took 20,000 workers around 20 years to build the Great Pyramid and it is made of more than 2 million stones.

However, No one is quite sure how the pyramids were built.

نوف عبدالعزيز

Despite extensive investigations, the killer's identity remains undisclosed, leaving behind a haunting puzzle that continues to captivate the public's imagination.

جود الشيخ

The police arrested a man named Lee Harvey Oswald. They said he killed the president. But many people did not believe Oswald acted alone. They thought there were other people involved.

Even today, the full story of why and how Kennedy was killed is still not clear. There are still a lot of unanswered questions.

The killing of the president remains a puzzling moment in American history.

ليان الصايغ