Some questions have no answers — at least not yet. Around the world, there are places, objects, and events that science has never fully explained. Here are three of the most famous.
The Nazca Lines, Peru. In the Nazca Desert in southern Peru, enormous drawings are carved into the ground. The shapes — animals, plants, and geometric patterns — are so large that they can only be seen clearly from the air. Nobody knows who made them or why. They might have been created for religious reasons, as offerings to the gods. They could have served as a kind of calendar, marking the seasons. Some researchers think they may simply be a form of art — an expression of culture and identity. Whatever the reason, nobody can explain why the makers chose a design visible only from above.
The Bermuda Triangle. For decades, ships and planes have disappeared in the area of ocean between Florida, Bermuda, and Puerto Rico. Some people believe there is a supernatural explanation. Scientists, however, think events in the Bermuda Triangle could have a much simpler cause. The area may have unusual magnetic fields that affect navigation. The disappearances might simply be the result of powerful storms and poor historical record-keeping. The mystery may not be as strange as it first seems.
The Voynich Manuscript. In 1912, a bookseller in Rome discovered a book written in a completely unknown language, filled with strange illustrations of plants, stars, and human figures. It is called the Voynich Manuscript. Nobody has ever decoded it. It might be a medical text from the medieval period. It could have been written in a secret code that has never been broken. Some researchers believe it may have been created as a hoax. Or it might be a real language that no longer exists anywhere on Earth.
Mysteries may never be fully solved. But the questions themselves might be just as valuable as the answers.