Sky History 2 Monday

UFO witnesses have reported a variety of objects in Earth's skies for centuries, but whether they offer clues about more intelligent life in the Galaxy remains unclear

In Weedon Bec, Northamptonshire, Suggs and Stephen Taylor unearth a wealth of Second World War relics, and explpre the very secret past of a huge, top-secret, arms supply depot

The Sphinx, in Egypt, is the most monumental ancient sculpture in the world. Half-man, half-lion, this monument still arouses the curiosity of the whole world

From mid-air abductions to near-disasters caused by unseen enemies, experts examine if humans are alone in the skies over Earth

A look at the mounting evidence that suggests UFOs are able to penetrate the world's most closely guarded airspace at will

Mysteries found in desert landscapes, featuring a constant inferno in Turkmenistan, mysterious circles in the Namibian desert and secret electric blue ponds in Utah

Documentary contemplating the notion that extraterrestrials have been influencing US presidents