Sky History 2 HD Tuesday

Experts once gain confront issues that harbour lingering doubts, such as Area 51, Roswell and Dugway Proving Ground

The King of the Swamp investigates disturbing phenomena in a malevolent section of swamp home to strange creatures

Aerial archaeologists battle to solve the mystery of the Mayan Empire collapse. Plus, the horrors of the communist lake of death

The shocking facts behind battles that were fought covertly. This episode focuses on events in Syria

An examination of objects found on the Mary Rose and the battle-winning tactics of Admiral Nelson on HMS Victory

The reports of unidentified flying objects, animal mutilations and other mysterious events along the Earth's north 37th parallel that has been dubbed the UFO Superhighway

Throughout the world there are mysterious ancient stones shaped into perfect spheres. The mystery of the stone spheres could provide clues about humankind's past

The areas around the world that seem to keep attracting UFOs. Objects seemingly return to the same skies overhead across decades, as if taunting witnesses below

Dan Jones explores the history of Warwick Castle, which was established by William the Conqueror in 1068 and transformed into a stone fortress two centuries later

Hugh Dennis and the team take on their first prehistoric dig as they try to unearth ancient roundhouses in the village of Stretton in Staffordshire

Experts once gain confront issues that harbour lingering doubts, such as Area 51, Roswell and Dugway Proving Ground

The King of the Swamp investigates disturbing phenomena in a malevolent section of swamp home to strange creatures

Aerial archaeologists battle to solve the mystery of the Mayan Empire collapse. Plus, the horrors of the communist lake of death

The shocking facts behind battles that were fought covertly. This episode focuses on events in Syria

An examination of objects found on the Mary Rose and the battle-winning tactics of Admiral Nelson on HMS Victory

Russian Intervention in Georgia: In 2008, nearly 850 people are killed in the Russo-Georgian War. How did it erupt and what is the current relationship between the two nations?

The murder of Margo Compton and her six-year-old daughters, following her decision to testify in a California state criminal prosecution that she was being pimped by Hell's Angels

The reports of unidentified flying objects, animal mutilations and other mysterious events along the Earth's north 37th parallel that has been dubbed the UFO Superhighway

Throughout the world there are mysterious ancient stones shaped into perfect spheres. The mystery of the stone spheres could provide clues about humankind's past

The areas around the world that seem to keep attracting UFOs. Objects seemingly return to the same skies overhead across decades, as if taunting witnesses below

Dan Jones explores the history of Warwick Castle, which was established by William the Conqueror in 1068 and transformed into a stone fortress two centuries later

Hugh Dennis and the team take on their first prehistoric dig as they try to unearth ancient roundhouses in the village of Stretton in Staffordshire

Exploring a mysterious forest in Poland and amazing underground locations around the world. Plus, a Chinese railway that runs through residential buildings

The story behind the breath-taking temple complex Angkor Wat, which is located in Cambodia and is the largest religious monument in the world