What on Earth?
A massive chasm appears in a remote part of the Siberian forest.
A massive chasm appears in a remote part of the Siberian forest.
Evidence could lead to the discovery of an unknown ancient civilization in the Amazon rainforest.
A vast structure buried in the sands near the legendary city of Petra points to a bloody past.
Strange symbols in the Kazakhstan desert; giant Star of David in Cuba; pink lake in a rain forest.
A strange mass breaches surface of an ocean near Antarctica, sparking rumors of a sea monster.
A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw.
Satellite images reveal how El Chapo escaped from a high security prison in Mexico.
A giant swastika appears in a forest in Germany; a strange pattern is etched into the desert.
A heavily armored force takes over one of Syria's most ancient archaeology sites.
A meteorite dagger found in the tomb of King Tut; a massive swastika found in the desert.
A buried monument offers new evidence about one of the Bible's greatest mysteries.
Investigators find a new clue about the missing Malaysia Airlines flight that disappeared in 2014.
Legends of ancient giants surround a mysterious monument in the Middle East.
Strange black holes appear near Egypt's pyramids; Incan ruins; a red swarm on a beach in India.
A giant carving appears in the Outback; bright lights illuminate the seas around Thailand.
Possible treasure in the Grand Canyon from a bandit; investigating desert ruins.
A strange structure in Mongolia; bizarre rings in Spain could lead to the lost city of Atlantis.
A photo that claims to show who shot down a passenger jet in Ukraine.
A satellite finds a set of large arrows in the badlands of the American west.
Satellites locates strange spiral markings in the remote African desert.