MysteryX HD Tuesday

Dan Jones explores the turbulent history of the Tower of London, which has been a military fortress, a palace, a royal mint, a prison, a zoo and a place of execution

Kevin Sempé dives in search of wrecks harking back to the Roman Empire's greatness. The journey begins with the Nave Romana

Dr Fern Riddell and Dr Karen Bellinger examine the mysterious, isolated Easter Island, in the southeastern Pacific Ocean

Tori Herridge and a team of scientists investigate when the remains of a young woman from the Bronze Age are found during routine roadworks on the A9 in Scotland

Experts scrutinise the engineering behind the Egyptians' Sphinx and pyramids, questioning whether extra-terrestrial help was utilised to complete the structures

The top 10 accounts of encounters between the Earth's military forces and extraterrestrials

For decades, governments around the world have investigated UFO sightings. This programme considers how such top-secret studies are conducted

Eye-witness accounts and footage, plus expert analysis and innovative special effects show what UFOs might see from their own perspective

Part two of two. Adam, Gwen and Julie recall personal encounters with UFOs, before it is revealed that each individual has time missing from their plotted recollections

Following investigators as they seek new clues regarding the Malaysia Airlines flight MH370 that disappeared in March 2014

How satellite evidence indicates the Vikings may have travelled further into North America than anyone previously imagined

Andy McGrath joins a team of Nessie experts and volunteers to carry out the biggest search for the Loch Ness Monster in 50 years

Dan Jones explores the turbulent history of the Tower of London, which has been a military fortress, a palace, a royal mint, a prison, a zoo and a place of execution

Kevin Sempé dives in search of wrecks harking back to the Roman Empire's greatness. The journey begins with the Nave Romana

Dr Fern Riddell and Dr Karen Bellinger examine the mysterious, isolated Easter Island, in the southeastern Pacific Ocean

Tori Herridge and a team of scientists investigate when the remains of a young woman from the Bronze Age are found during routine roadworks on the A9 in Scotland

Old legends warn of flying cryptids who descend from the sky, but new witnesses connect this aerial aggression to something more alien in nature

Ross goes on the hunt for wrecks that tell the story of D-Day, the 1944 Allied invasion of Occupied France

From the Mary Celeste and secret Nazi research to a psychic's chilling vision and mysterious lights beneath the waves, explore enduring mysteries

Experts scrutinise the engineering behind the Egyptians' Sphinx and pyramids, questioning whether extra-terrestrial help was utilised to complete the structures

The top 10 accounts of encounters between the Earth's military forces and extraterrestrials

For decades, governments around the world have investigated UFO sightings. This programme considers how such top-secret studies are conducted

Old legends warn of flying cryptids who descend from the sky, but new witnesses connect this aerial aggression to something more alien in nature

Part two of two. Adam, Gwen and Julie recall personal encounters with UFOs, before it is revealed that each individual has time missing from their plotted recollections

Following investigators as they seek new clues regarding the Malaysia Airlines flight MH370 that disappeared in March 2014

How satellite evidence indicates the Vikings may have travelled further into North America than anyone previously imagined