In 1950, a military transport plane vanished in the Alaska Triangle with 44 people on board, and hasn't been seen since. Was its disappearance caused by bad weather or something more sinister?

Discover how cornered Egyptian soldiers miraculously escaped the Hittites in one of the greatest armed battles of the ancient world.

Ross completes his specialist SCUBA training under the expert tutelage of dive Supervisor Neil Brock, and inspired by the stories of his shipwrecked relatives, he heads up to the Royal Navy’s historic naval base in the far northerly Orkney Islands.

Hunting for the Lost Dutchman is usually a one-man journey, but Wayne Tuttle is partnering with a team of experts to follow a newly-revealed clue that could finally solve the 500-year-old mystery of America's most famous buried treasure.

Many of us fantasise about trying on a new identity, but when does the line between impersonation and transformation become blurred? Is it possible that by pretending to be someone else, a person can actually change their identity?

The Mayan civilisation dominated Central America for nearly 2000 years, but by the 9th century AD, the great Mayan cities were abandoned and the Mayan people vanished. What could have happened to this advanced culture?

Featuring first-person accounts by military eyewitnesses, government insiders and UFO experts, this special traces what a government investigation into 144 recent sightings can tell us about what these mysterious objects are and where they come from.

Witnesses describe a series of events surrounding the now legendary crash, while an incredible new technology attempts to read words on a 70 year old photograph that may hold clues to the mystery: Did an extraterrestrial spaceship crash at Roswell?

Discover how cornered Egyptian soldiers miraculously escaped the Hittites in one of the greatest armed battles of the ancient world.

Ross completes his specialist SCUBA training under the expert tutelage of dive Supervisor Neil Brock, and inspired by the stories of his shipwrecked relatives, he heads up to the Royal Navy’s historic naval base in the far northerly Orkney Islands.

Hunting for the Lost Dutchman is usually a one-man journey, but Wayne Tuttle is partnering with a team of experts to follow a newly-revealed clue that could finally solve the 500-year-old mystery of America's most famous buried treasure.