Lightning bolt restores man’s sight and hearing.

When 50 deaf Nicaraguan children who did not know sign language were placed in the same classroom, they created their own sign language. Scientists are still researching the unique spontaneous appearance of language, as well as its own evolution and training of grammar.

Mysterious spherical stones ranging in size from a few millimeters to several meters have been discovered in Crimea, United States, Russia, and New Zealand. There are many theories from various geologists, but none of them are clear.

Scientists have been puzzled by the Al Naslaa rock formation in Saudi Arabia for a long time, and there is still no explanation for why this boulder appears to have a precise incision across the middle of it.

In 2004, the whole Sri Lankan national handball team disappeared. Later, the Sri Lankan government denied the existence of such a team. The location of the team is still unknown.

In 1942, a British forest guard in India made an alarming discovery. Some 16,000 feet above sea level, at the bottom of a small valley, was a frozen lake absolutely full of skeletons.

Fate has no place in mathematics, yet fate played a role for Jason Padgett and his new fame for being a mathematical genius

The unbelievable "Hanging Stone" of Siberia weighs around 300 tons and has been hanging off a 1,000-meter cliff since the Ice Age.

Henry Grimes, one of the most versatile jazz bassists, disappeared in the 1960s and was later presumed dead. However, a jazz-loving social worker found him in 2002 working as a janitor in a hotel. Grimes found his way back into the limelight when a fellow musician sent him a bass as a gift. In 2016, he received a lifetime achievement award.

In Poland, there is a forest with 400 crooked trees that have a 90-degree bend at the base of their trunks. Despite of numerous possibilities, the real reason and how it evolved remain a mystery.

Pumapunku's stone blocks were meticulously carved and polished to interlock with neighboring stones, forming a puzzle-like structure. The joints between them are incredibly precise. These characteristics show an intricate knowledge of descriptive geometry and stone cutting, indicating the use of highly advanced technology that would have seemed impossible at the time.

Before women were allowed to enroll in medical school, Margaret Ann Bulkley studied medicine and assumed the identity of Dr. James Barry for 56 years while dressing as a man. After 46 years of service as an army doctor officer, her secret was not made public until after her death in 1865.

Krishna's Butter Ball is a massive rock in Mahabalipuram, Tamilnadu, India, that is perfectly balanced on a slope. An attempt was made in 1908 to remove the rock for fear that it would roll down and destroy nearby homes, but the efforts were wasted.

Sandy Island, charted since 1774, was long considered a phantom island in the Coral Sea. Despite appearing on maps and Google Earth, it was "undiscovered" by scientists in 2012, revealing only deep ocean instead of land. The island's existence was likely a cartographic error or a misidentified pumice raft.

For centuries, people have been fascinated and enchanted by the ghostly appearances of abnormally white animals. People have loved albinos and other unusually white animals so much that they may be helping to increase their numbers, despite the difficulties these animals face in the wild. While these unusual animals did not win the genetic lottery, they have persevered in the face of adversity.

Lake Khiluk, the world's most mineralized lake, and one of the most mysterious places on Earth. Each of these spots has a distinct chemical content and is said to cure various diseases.

During the 1978 Lufthansa heist, robbers infiltrated JFK Airport, restraining employees and holding a night guard hostage. They escaped with $5.9 million—worth over $27 million today. The crime, linked to the Lucchese crime family, remained unsolved for decades, with most suspects vanishing

The dissemination of spores of microalgae has been identified as the origin of the 'Blood Rain' phenomena, according to a new study by Indian and Austrian experts. Since 1896, reports of intermittent red-colored rain in portions of Kerala and Sri Lanka have been coming in. The most recent one occurred in 2013 over Kerala.

In the middle of South America, a strange and nearly perfectly circle island moves on its own. The central landmass, known as 'El Ojo' or 'The Eye,' floats on a pond of clear and chilly water, looking strange and out of place in comparing to its surroundings. The bottom appears to be solid in compared to the marsh around it.

Twenty Three years ago, somebody impaled a 60-pound pumpkin 170 off the ground on this spire at Cornell University. Nobody knows who did this or how they did it.

Discovered in 1949, the Patomskiy Crater resembles a huge convex cone with a funnel-shaped recess and a rounded hill in the middle, which looks like an eagle’s nest with an egg nestled inside it. The crater’s origin is a mystery that has baffled scientists for decades.

Lucy and Maria Aylmer are twins, but they have a hard time to convincing people. Even though they have mixed-raced parents, their mom was still shocked when the midwife handed her babies she’d expected to look alike, but were complete opposite.

In 1912, a four-year-old boy named Bobby Dunbar went missing on a family trip, 8 months later he was found and reunited with his family. Nearly a century later, DNA testing of his descendants revealed that the child reunited with the Dunbar family was not Bobby, but rather a boy named Charles (Bruce) Anderson who resembled Bobby.

Thousands of ice balls recently covered a beach in Finland, a rare phenomenon caused by wind and waves sculpting pieces of ice into smooth spheres. These "ice eggs" can vary in size from chicken eggs to soccer balls and have also been spotted in other cold regions globally.

In 1995, Sonny Graham received a transplanted heart from a suicide victim. He then committed suicide in the very same manner as the donor.

Learn the stories behind seven of the world's most renowned abandoned cities and villages, from the infamous Chernobyl nuclear catastrophe zone to Hashima Island.