A look into the great history of castles, exploring and revisiting 500 years of medieval architecture!
Centuries after they first appeared in the landscape, many castles remain intact, complete with cathedrals and symbols of the Middle Ages and the power of their lords and rulers. For five centuries, the creation of these castles was accompanied by a political and cultural evolution during the medieval period.

No one quite understands exactly how a pigeon finds its way home, having been driven hundreds of miles in the back of a lorry to be released and race back to its loft. But across the UK thousands of fanciers are staring into the sky awaiting the arrival of their treasured birds.

Almost 8,000 people are homeless in Vegas - a 56 per cent increase in three years. Jordan Jarret-Bryan investigates how the city is responding to this crisis as he visits a network of subterranean tunnels that have become a refuge. Jordan meets Echo Marie, who lives in a tunnel just four feet high. In a city that has made living on the street a crime, and having been moved by police from one neighbourhood to another, Echo says a tunnel is the safest place to live. However, life underground is still risky - some tunnels are drug ridden, while all those underground risk being washed away by the rain.

Lucy Shepherd and her Indigenous team embark on an unprecedented 50-day expedition to traverse virgin Amazon rainforest.

A celebration of Christmas from the stunning candlelit Chapel of King's College, Cambridge. This year marks the seventieth anniversary of the first carol service being broadcast. Led by the Dean, the Revd Dr Stephen Cherry, the programme begins in the time-honoured way as a solo chorister sings the first verse of Once in Royal David's City, just as it did in 1954.

After another year of wonderful fishing adventures in the UK, Paul and Bob decide to cast their net a little further afield for this end-of-year special. They visit south west France to fish the River Lot, with some new species in their sights, including black bass, vandoise and grass carp.

Claudia Winkleman, Mika and Lang Lang celebrate Christmas at Battersea Power Station in central London. They are joined by some of the stars of series two who perform seasonal favourites, including Walking in the Air, O Holy Night and River. Brad Kella, the winner of this year's series, returns with a show-stopping performance, while Mika and Lang Lang duet on a Beatles classic.

A festive ride on the illustrious Bernina Express, one of the most picturesque trains in the world, beginning in Chur, the oldest town in Switzerland, and travelling through the Alpine landscape to the town of Tirano in Italy. Along the way, the train visits the Morteratsch Glacier, the Landwasser Viaduct and Lago Bianco, meeting people who live and work in the area including an artisan cheese-maker, a creator of traditional Christmas toys and a multi-generational musical farming family. Narrated by Hugh Bonneville.

Armageddon has never been so darkly funny as in The Atomic Cafe. This 1982 cult classic juxtaposes Cold War history, propaganda, music and culture, seamlessly crafted from government-produced educational and training films, newsreels and advertisements. Taken together, these sources cheerily instruct the public on how to live in the Atomic Age.

Paul Erdos was one of the most prolific mathematicians who ever lived. A wandering genius, Erdos, engaged in a cosmic struggle to uncover metaphysical truths with the same wry humor he applied to the trivialities of ordinary life. This one-hour 16mm documentary, filmed over a four-year period, follows Erdos through four countries, presenting his mathematical quest, its personal and philosophical dimensions, and the tragic historical events that molded his life.

The nation's outdoor home. From the humble backyard to the grandest of grounds, what do Britain's gardens tell us about our culture, climate and history?

Phil Collins first enjoyed international success as the drummer with Genesis, and then subsequently as lead singer when Peter Gabriel left the band. In 1981 however, Face Value launched him as a solo artist and remains in many ways his most exciting and unusual music offering.

Tales of love, sex, power, betrayal, heinous crimes, unbearable separations, atrocious revenge, and metamorphoses - the poetic force of the myths has crossed the centuries. This series sets out to recount these ancient stories using animations created especially for the occasion, and illustrations chosen from the entire history of art.

Heinrich Kramer's 'The Hammer of Witches: Malleus Maleficarum' is a seminal work in the history of witchcraft trials and demonology. Written in the 15th century, this book serves as a manual for the detection, persecution, and execution of witches. Kramer, a German inquisitor, wrote 'The Hammer of Witches' during a period of widespread witch hunts and mass hysteria. His work was instrumental in shaping the witch trials that plagued Europe for centuries, making him a polarizing figure in the history of witchcraft persecution.

The inspirational story of how a group of working class kids growing up in post-industrial Glasgow dared to dream. Those kids became Simple Minds, the most iconic and influential Scottish band in history.