2 seasons available
Individuals whose identities remain a mystery including D.B. Cooper, Jack the Ripper and the Man in the Iron Mask.
Locations around the world with special religious significance from a Catalonian monastery to South Dakota's Black Hills.
Cryptic artwork including a crucifixion statue with real teeth, Girl with a Pearl Earring and Leonardo da Vinci's Last Supper.
Time-honored but not always scientifically accepted, non-traditional healing methods including herbal remedies and regression therapy.
A deep dive into people who vanished and were never found from a British secret agent to an intrepid explorer from a famous family.
World War II left behind a number of unexplained events, such as the identity of Anne Frank's betrayer and the ultimate fate of Raoul Wallenberg.
Associated with Ancient Egypt, the practice of mummification occurred in other parts of the world, leaving behind some unanswered questions.
Unsolved urban mysteries include a walrus skeleton found in a mass London grave, Moscow's secret Metro line and Prague's occult origins.
Inexplicable conditions and illnesses include cases of mass hysteria and rare syndromes like Stendhal and Munchausen.
Classified military projects from false flag operations to America's recruitment of Nazi scientists after World War II.
Inventions that failed or were suppressed by the powers that be included Nikola Tesla's Wardenclyffe Tower and Stanley Meyer's water-powered fuel cell.
Human sacrifice fueled by religious and cultural beliefs that include ritualistic burnings and bloodlettings.
Ten notable cases of information that were deemed unacceptable for public consumption include missing Biblical gospels and a baffling manuscript.
Delve into the most convincing evidence that the planet has been visited by extraterrestrial life forms, from alien encounters in ancient texts to modern-day UFO sightings and the secrets of Area 51.
Some of the most mysterious monsters and mythical creatures that may inhabit this earth, including vampires, Bigfoot and the Loch Ness Monster.
Some of the world's most sacred sites, including the Great Pyramid of Giza, Chartres Cathedral and Masjid Al-Haram.
People who defy the laws of physics and perceptions of reality, from exceptional feats of endurance and miraculous recoveries to psychic abilities and exorcisms.
Mysterious writings, images and relics from the past, including the Nazca Lines, the Voynich Manuscript and the Crystal Skulls.
Paranormal phenomena that baffle experts around the world, from ghostly encounters and spectral curses to spontaneous combustion and the mysterious Hum.
A closer look at the awe-inspiring structures that capture imaginations, including the Olmec Heads of Central America, the Alhambra in Spain and Angkor Wat in Cambodia.
Ancient and sacred sites with alleged healing powers, from the grotto of Lourdes and Machu Picchu to mystical rainforests and the Ganges River.
The Egyptian Book of the Dead, the Bhagavad Gita and the Bible.
Explore the myths and legends of ancient civilizations, from Lemuria and Atlantis to the mystery of the Etruscans and the Forgotten Kingdoms of Tibet.
Revered religious artifacts from around the world, including the Shrine of the Three Kings, the Ark of the Covenant and the Holy Grail.
A deep dive into secret cults and mysterious orders around the world, from the Freemasons and Skull and Bones to the Illuminati and the Hermetic Order of the Golden Dawn.
The mysteries of modern science that confound the experts, including time travel, the dark web and the secrets of morphic fields.