
What on Earth?
Evidence could lead to the discovery of an unknown ancient civilization in the Amazon rainforest.

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.

Satellites find American stealth technology; something large is lurking beneath Loch Ness.