
What on Earth?
A giant swastika appears in a forest in Germany; a strange pattern is etched into the desert.

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.

A fleet of large ships stranded in the middle of a vast desert.

A look at whether the desire for gold is the result of extraterrestrial landings in the past.

New evidence and modern-day UFO sightings have experts rethinking Native American myths.

Evidence suggests contact with aliens may have influenced humankind and many of its sacred sites.

The Royal Air Force regularly encounters UFOs, but the British government denies the sightings.

The U.S. government continues to deny the existence of extraterrestrials.