Sky History2

Troy and his crew return to Louisiana swamps to extract old-growth cypress logs, using a storied map to find the treasure during high water.

Experts investigate tunnels rumoured to be the hiding place of lost royal treasure, they find evidence of human sacrifice for Viking god Odin.

Amazing CGI graphics tell the story of how the USS Enterprise and sister carriers Yorktown and Hornet turned the tide of the Pacific battle during WWII.

The F-16 and MiG-29, born rivals of the skies, embody opposing design ideals: US tech-driven agility versus Soviet rugged aerodynamics.

Eerie encounters at 40,000 feet, accounts of UFOs taking control of aircraft, and jumbo jets disappearing. Is this proof of aliens in our airspace.

Could the megalithic structures of Malta - and an underground complex housing otherworldly remains - be linked to local legends of alien visitation.

Craig and Sarah take on the Chicago O'Hare case of November 2006, a mass sighting of a flying saucer hovering over a United Airlines airport gate.

Alice explores the story of Stewart Britain by visiting the home of the Scottish royals who eventually took the English throne in 1603 and created Great Britain. (6 of.

Archaeologists conduct a dig at Auckland Castle in Co Durham, which 700 years ago was home to a group of power-crazed bishops.

Explore the most dangerous hotel on the planet, check out the world's most fascinating beaches, visit a used car market in Benin and take a tour of a diamond mine in Russia.

Troy and his crew return to Louisiana swamps to extract old-growth cypress logs, using a storied map to find the treasure during high water.

Experts investigate tunnels rumoured to be the hiding place of lost royal treasure, they find evidence of human sacrifice for Viking god Odin.

Amazing CGI graphics tell the story of how the USS Enterprise and sister carriers Yorktown and Hornet turned the tide of the Pacific battle during WWII.

The F-16 and MiG-29, born rivals of the skies, embody opposing design ideals: US tech-driven agility versus Soviet rugged aerodynamics.

In 1944, 28 Greek socialists were shot in Syntagma Square and 100,000 had perished by the end of the Civil War. Was this the old order Winston Churchill had longed for.

Agents Jay Dobyns and Jenna Maguire go undercover to infiltrate the Hells Angels - but the dream of being a fully patched member pushes Jay to the edge.

Eerie encounters at 40,000 feet, accounts of UFOs taking control of aircraft, and jumbo jets disappearing. Is this proof of aliens in our airspace.