Investigators find a new clue about the missing Malaysia Airlines flight that disappeared in 2014. An astronaut spots something strange in the Sahara Desert. A mysterious orange sludge invades a remote village in Alaska.
Strange spots near the Grand Canyon may hold clues to the legendary treasure of a notorious bandit. Satellite images could explain desert ruins rumored to be an entrance to an underworld. A city-size chunk of ice suddenly disappears in Antarctica.
Strange black holes appear near Egypt's ancient pyramids, and new evidence points to a disturbing conclusion. Ruins in Peru suggests that the Inca people knew far more than previously thought. A mysterious red swarm invades a beach in India.
A giant carving of a strange creature suddenly appears in the Australian Outback. Mysterious bright green lights illuminate the seas around Thailand. Top secret activity is discovered at Iran's nuclear facility.
A buried monument offers new evidence about one of the Bible's greatest mysteries. A giant ominous shadow engulfs the Pacific Ocean. Scientists have trouble explaining a strange lake that's shaped like a perfect circle, and is home to otherworldly life.
A sinister giant swastika appears in a forest in Germany. A strange pattern is etched into the desert near the famous Nazca lines, but archaeologists don't know who put it there. Mysterious markings are spotted in an isolated corner of Antarctica.
Satellite images reveal how El Chapo escaped from a high security prison in Mexico. Mysterious patterns in the Australian outback and the Kalahari Desert spark a major scientific investigation. A giant black stain appears in a war-torn area of Iraq.
An amateur archaeologist stumbles open strange symbols scratched into the Kazakhstan Desert. CIA surveillance photographs show what looks like a giant Star of David on the island of Cuba. A lake in the Brazilian rain forest has turned bright pink.
New evidence could lead to the discovery of an unknown ancient civilization in the Amazon rainforest. A strange photo reveals a massive Arctic canyon buried beneath the ice. An unidentified submarine is spotted in a North Korean shipyard.
Strange images from the jungles of Colombia could lead researchers to the legendary city of El Dorado. A bright green swirling spiral appears in the seas of the Persian Gulf. A massive complex suddenly appears secretive state of Myanmar.
A young boy makes international headlines when he uses satellite images to discover lost cities of the Maya. Satellite images might point to a modern-day genocide. Trees in China seem to be spelling out a sinister message.
The myth of Merlin is associated with an arrangement of stones in northern France, and satellite images might finally explain this ancient riddle. Investigators uncover something mysterious buried beneath the Gulf of Mexico. An island suddenly appears.