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.
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In the American South, legends tell of a creature haunting the swamps - an ancient evil known as the Rougarou.
A look at a series of metal cubes seen spinning in the sky over Earth exploring the origin of an angel-shaped apparition China's interest in aliens a metal alloy that may power UFOs scareships.
Investigating reports of UFOs massed over the South China Sea, ancient carvings of alienlike humanoids, and Albert Einstein's secret 1947 visit to Roswell, New Mexico.
Taking a look at strange crafts flying over power plants, airports and the Royal Palace in Sweden, a veteran with supposed UFO-related health issues and footage shown at a US congressional hearing.
Explores discussing a very well-known mass UFO sighting with a witness, even though this isn't the only one ever made.
Ordinary people come forward with stories of being taken by UFO's Shannon and her team visit a location where one of these abductions took place.
Shannon investigates a purported 2017 UFO video and the claims of an eyewitness.
Shannon meets with a witness in the White Mountains to learn about her close-up encounter.
Claims suggest secret space programs have sent humans to Mars.
Lt. Ryan Graves and pilots in his squadron detect and engage with UFOs on multiple occasions he gave a detailed description of regular encounters that flight teams had with a black box UFO they were seeing every day.
People who have vanished without a trace.
A California woman is plagued by an invisible attacker a teen thinks she can see ghosts.
Researchers conduct a series of groundbreaking seances.
Lake Tahoe's Bigfoot lore resurfaces as Bob and Kathy Strain revisit the audio that was recorded there.
In 2010, Justin Smeja shoots a Sasquatch, buries it and sparks chaos across the Bigfoot community.
Across the abandoned villages, dark forests and hidden valleys of Alaska, tales are told of apelike creatures Documentarian Seth Breedlove takes on the last frontier in search of the best evidence for the creature known as Sasquatch.
During the 70s, top scientists and astronomers sent coded messages into space with the hopes of getting a response from an extraterrestrial civilization what they didn't anticipate was a speedy reply and an uptick in sightings around the world.
Explore the myths and legends of ancient civilizations, from Lemuria and Atlantis to the mystery of the Etruscans and the Forgotten Kingdoms of Tibet.
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.
Paranormal phenomena that baffle experts around the world, from ghostly encounters and spectral curses to spontaneous combustion and the mysterious Hum.
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