Unsolved and Unforgotten

This episode explores the enduring mystery of the Tamám Shud case, which began when an unidentified man was found dead on a beach near Adelaide, Australia, in 1948. With no identification and every label removed from his clothing, investigators were unable to determine who he was or how he died. An autopsy suggested possible poisoning, but no detectable poison was ever identified. The case took a...

This episode explores the final major cryptographic mystery left by the Zodiac Killer, whose taunting letters and coded messages terrorized Northern California in the late 1960s. Obsessed with publicity, the Zodiac sent encrypted ciphers to newspapers, claiming one would reveal his identity. While an early cipher was solved quickly, the infamous 340 Cipher resisted every attempt for more than fift...

This episode revisits the infamous 1947 murder of Elizabeth Short, better known as the Black Dahlia. Found dead in a vacant lot in Los Angeles, her body had been deliberately positioned after being killed elsewhere, suggesting a carefully planned crime. The shocking nature of the murder quickly became a national sensation, with newspapers creating the "Black Dahlia" nickname that would eventually...

This episode explores the tragic case of the Boy in the Box, an unidentified child found dead near Philadelphia in 1957. Discovered inside a discarded cardboard bassinet box, the young boy showed signs of neglect and injury, yet no one came forward to identify him. Despite a massive investigation involving nationwide publicity, missing-person searches, and thousands of leads, authorities could not...

This episode examines the murder of Mary Jane Kelly, widely considered the final victim of Jack the Ripper, and explores the question of whether her death was actually part of the same series of murders that terrorized Whitechapel in 1888. Unlike the earlier victims, Kelly was murdered indoors in her room at Miller's Court, giving the killer privacy and time. The crime scene was far more brutal th...

This episode explores the mystery of the Somerton Man, an unidentified man found dead on Somerton Beach in December 1948. The man carried no identification, and all labels had been removed from his clothing, making it impossible for investigators to determine who he was. The case became even stranger when police discovered a hidden pocket in his trousers containing a small piece of paper printed w...

This episode examines the Hinterkaifeck Murders, one of the most disturbing unsolved crimes in European history. In March 1922, six members of a family living on an isolated Bavarian farm—including Andreas Gruber, Viktoria Gabriel, and their children—were brutally murdered. Days before the killings, strange events were reported: unexplained footprints leading to the farm but not away from it, nois...

This episode explores the mysterious death of the Isdal Woman, an unidentified woman whose burned body was discovered in Isdalen Valley in 1970. Investigators found no identification on her, and all labels had been removed from her clothing, suggesting a deliberate attempt to erase her identity. The mystery deepened when police discovered suitcases linked to her at a train station. Inside were wig...

This episode explores the mysterious disappearance of three lighthouse keepers stationed on Flannan Isles in December 1900. When the supply ship Hesperus arrived at the remote island of Eilean Mòr after several days of delay, the lighthouse was found completely abandoned. Inside, everything appeared strangely undisturbed, yet all three keepers had vanished without a trace. Two sets of weather gear...

This episode explores the mystery of D. B. Cooper, the unidentified man who hijacked a Boeing 727 on November 24th, 1971. Boarding under the name “Dan Cooper,” he calmly informed a flight attendant that he had a bomb and demanded $200,000 in cash along with parachutes. After releasing the passengers in Seattle, Cooper ordered the plane back into the air under specific flight conditions suitable fo...

This episode explores the mysterious disappearance of Edward V and his younger brother Richard of York, who were placed inside the Tower of London in 1483 before Edward’s coronation. Shortly after, their uncle Richard III seized the throne, declaring the boys illegitimate. The princes were initially seen within the Tower, but sightings gradually stopped until they disappeared completely without ex...

This episode explores the mysterious disappearance of five children from the Sodder family during a house fire on Christmas Eve 1945 in Fayetteville, West Virginia. While the fire destroyed the home, no remains of the five children were ever found—an outcome that contradicted typical fire behavior, where at least some physical evidence is usually recovered. Strange circumstances surrounding the in...

This episode explores the tragic mystery of the Franklin Expedition, in which two ships—HMS Erebus and HMS Terror—set out in 1845 under Sir John Franklin to discover the Northwest Passage but never returned. The ships became trapped in Arctic ice, and after years without rescue, the surviving crew abandoned them in 1848 and attempted to travel south on foot. Evidence from later expeditions and Inu...

This episode explores the mysterious disappearance of the Roanoke Colony, an English settlement established in 1587 on Roanoke Island. Led by John White, the colony struggled with limited supplies and harsh conditions, forcing White to return to England for help. Due to the outbreak of war with Spain, including the threat of the Spanish Armada, his return was delayed for three years. When he final...

This episode explores the mystery of Göbekli Tepe, an ancient site in Turkey dating back to around 9600 BCE—thousands of years before agriculture, cities, or written language. The site features massive stone enclosures and towering T-shaped pillars carved with detailed animal reliefs, suggesting complex symbolic or religious meaning. What makes Göbekli Tepe extraordinary is that it was built by hu...

This episode explores the enduring mystery of the Voynich Manuscript, a 15th-century text written in an unknown script that has never been decoded. Despite appearing to follow the structure of a real language—with repeating words, patterns, and consistent rules—it does not match any known linguistic system. The manuscript also contains strange illustrations, including unidentifiable plants, astron...

This episode explores the mystery of the Baghdad Battery, a clay jar discovered near Baghdad containing a copper cylinder and an iron rod—components that can generate electricity when combined with an acidic liquid. Dating to around 250 BCE–250 CE, the artifact resembles a simple galvanic cell, raising the possibility that ancient civilizations may have experimented with electricity long before mo...

This episode examines the controversial theory that the Great Sphinx of Giza may be far older than traditionally believed. While mainstream historians date the Sphinx to around 2500 BCE during the reign of Pharaoh Khafre, some researchers argue that geological evidence—particularly erosion patterns on the monument and its enclosure—suggests it was shaped by prolonged rainfall. Since heavy rainfall...

This episode explores the mystery of the Nazca Lines, a vast network of giant geoglyphs etched into the desert plains of southern Peru by the ancient Nazca civilization between 200 BCE and 600 CE. The drawings include enormous images of animals such as hummingbirds, spiders, and monkeys, along with thousands of long straight lines and geometric shapes spread across hundreds of square kilometers. T...

This episode explores the mysteries of Petra, the ancient desert capital carved into sandstone cliffs in modern-day Jordan. Built by the Nabataean civilization, Petra was not only a spectacular architectural achievement but also a highly sophisticated city hidden within a harsh desert landscape. Beyond its famous rock-cut facades like the Treasury and the Monastery, Petra contained an advanced und...

This episode explores the mysterious hidden void discovered inside the Great Pyramid of Giza using cosmic-ray scanning technology. Scientists detected a large, previously unknown cavity above the Grand Gallery without opening the structure, proving that the pyramid still contains unexplored internal spaces more than 4,500 years after its construction. Researchers debate the purpose of the void. So...

This episode examines the tragic and mysterious deaths of nine experienced hikers in the Ural Mountains of Soviet Russia in 1959, an event now known as the Dyatlov Pass Incident. Led by Igor Dyatlov, the group set out on a winter expedition but never returned. When rescuers located their campsite, they found the tent cut open from the inside, with food, clothing, and equipment left behind in extre...

This episode explores the mystery of the Georgia Guidestones, a massive granite monument that once stood in Elbert County, Georgia. Built in 1980 by an anonymous figure known only as “R. C. Christian,” the Guidestones displayed ten cryptic rules for humanity’s future in multiple modern and ancient languages. Their most controversial message called for maintaining the world’s population under 500 m...

This episode explores the long-running mystery of the Oak Island Money Pit, a legendary excavation site off the coast of Nova Scotia that has fascinated treasure hunters for more than 200 years. Discovered in 1795, the pit appeared deliberately constructed, with layered stone markers and an advanced flood-tunnel system designed to fill the shaft with seawater when disturbed. Over generations, nume...

This episode explores the bizarre and unsettling Lead Masks Case, an unsolved mystery from Brazil in 1966. Two electronics technicians, Manoel Pereira da Cruz and Miguel José Viana, were found dead on a remote hillside near Niterói, dressed in suits and wearing homemade lead masks that covered only their eyes. There were no signs of violence, struggle, or robbery, and the cause of death was never...