In 2009, an Air France flight going missing and investigators discover this tragedy could happen again. After a huge area of Siberian forest is destroyed, investigators race to find the culprit. New evidence might finally solve this century-old mystery.
An exploration of the Bermuda Triangle is made after five planes vanish. New science suggests a strange geological force is responsible. Also, satellites reveal lost tribes living in the Amazon jungle, but some civilizations remain missing.
The Roanoke colony vanished without a trace and, centuries later, it remains one of history's greatest unsolved mysteries. But new evidence might at last reveal its fate. After a man is swallowed by the earth, experts wonder if a sinkhole is to blame.
New technology reveals lost cities in inhospitable jungles, and researchers wonder if the mythical city of El Dorado could be the among them. After a crystal is found on a shipwreck, experts believe it could prove how the Vikings to discovered America.
After a huge cargo ship suddenly vanishes with 27 crew members on board, new evidence suggests the culprit may be a mythical rogue wave. And recently discovered evidence may prove the existence of a ghost ship in the Californian desert.
Atlantis is one of the most famous disappearances of all time. After thousands of years, state-of-the-art technology might finally be able to crack this ancient mystery. And after nine hikers die in a gruesome cold case, new science provides a hot lead.