The Celts: Blood, Iron and Sacrifice

Alice embarks on her most ambitious journey to date, in search of the Roman Empire, travelling 1300 miles through Italy, France and Spain to discover the origins and secrets of Rome’s success.

The construction of the Egyptian pyramids remains an enigma, an unsolved mystery. But today, Egyptologists and archaeologists have developed a new tool which uses aerial and satellite images to provide valuable fresh clues about the position, construction, and evolution of these edifices. This series sets out to decode the mysteries of the pyramids' construction, and to recreate Egypt as it was more than 5000 years ago.

Journalist and writer Graham Hancock travels the globe hunting for evidence of mysterious, lost civilizations dating back to the last Ice Age. He attempts to prove that a climatic event 12,000 years ago wiped out an entire civilization far more sophisticated than the simple hunter-gatherers some archaeologists believe lived at that time.

It was an archaeological find that became global news. An extraordinary mega-tomb, filled with the largest concentration of coffins ever unearthed in Saqqara, Egypt. This four-part series places you at the site to witness this ground-breaking discovery as it happened and follows Egyptologists as they try to determine why all of these mummies were buried together and what this ancient cemetery can tell us about the Egyptian civilization's way of death 2,500 years ago.

Millions of tourists visit Angkor Wat in Cambodia every year to marvel at its remarkable architecture, yet most are probably unaware that when it was built nearly 1,000 years ago it was even more impressive. Using remote sensing technology, scientists now know what is hidden beneath the nearby paddy fields and jungle: a sophisticated metropolis with an elaborate network of houses, canals, boulevards and temples covering 30 square kilometres that housed three-quarters of a million people. To put that into perspective, London at that time was home to just 18,000. These previously hidden finds tell us a great deal about life during the golden age of the powerful Khmer dynasty.

America from the Ground Up was filmed on location at archaeological and historical sites throughout the U.S. and Canada. Join us in the search for clues to America's hidden history: from exploring the ruins of America's lost civilizations, to the settlement of the North American continent in the 19th Century.

The Bible is both a religious and historical work, but how much is myth and how much is history?

A mission to discover and re-create unexcavated worlds still hidden beneath the earth.

It is said to be one of the oldest books in the world. Has it been altered? If yes why? A remarkable journey back in time to see what the Old Testament and the New Testament is hiding from us.

Explore a world never seen before a world hidden under miles of water, the landscape of the seabed. Join expeditions to dive long-lost vessels, discover ancient sites and follow the scientists who are probing the darkest and deepest corners of this underwater world. Computer generated, three-dimensional maps and imagery will offer a first glimpse of these mysteries.

Part detective story, part true-life drama, long-running series explores some of the most iconic moments in history to debunk myths and shed new light on past events. Using the latest investigative techniques, forensic science and historical examination, it shatters accepted wisdom, challenges prevailing ideas, overturns existing hypotheses, spotlights forgotten mysteries, and ultimately rewrites history.

Based on the popular BBC series running since 1979, the PBS Antiques Roadshow combines history with discovery. Each year, the show visits a handful of cities to appraise items brought in by viewers. Are these items worth a lot of money, more than the visitors expect?

An immersive, action-packed and discovery-led series following International teams of Egyptologists as they unearth the world's richest seam of ancient archaeology - Egypt's Valley of the Kings.

Doctor Who Confidential is a documentary to complement the revival of the long-running British science fiction television series Doctor Who. Each episode was broadcast on BBC Three on Saturdays, immediately after the broadcast of the weekly television episode on BBC One. The running time of the first two series was 30 minutes, being extended to 45 minutes in the third. BBC Three also broadcast a cut-down edition of the programme, lasting 15 minutes, shown after the repeats on Sundays and Fridays and after the weekday evening repeats of earlier seasons.

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

Award-winning actor and nervous explorer Eugene Levy steps out of his comfort zone for a whirlwind tour of the world's most beautiful and intriguing destinations.

Experience the wonders of our world like never before in this epic series from Jon Favreau and the producers of Planet Earth. Travel back 66 million years to when majestic dinosaurs and extraordinary creatures roamed the lands, seas, and skies.

Morgan Freeman presents his quest in order to find how most religions perceive life after death, what different civilizations thought about the act of creation and other big questions that mankind has continuously asked.

30 for 30 is the title for a series of documentary films airing on ESPN, its sister networks, and online highlighting interesting people and events in sports history. This currently includes four "volumes" of 30 episodes each, a 13-episode series under the ESPN Films Presents title in 2011–2012, and a series of 30 for 30 Shorts shown through the ESPN.com website. The series has also expanded to include Soccer Stories, which aired in advance of the 2014 FIFA World Cup, and audio podcasts. This entry refers to the main Volumes of the series presented by ESPN

Natural World is a nature documentary television series broadcast annually on BBC Two and regarded by the BBC as its flagship natural history brand. It is currently the longest-running series in its genre on British television, with more than 400 episodes broadcast since its inception in 1983. Natural World is produced by the BBC Natural History Unit in Bristol, but individual programmes can be in-house productions, collaborative productions with other broadcasters or films made and distributed by independent production companies and purchased by the BBC. Natural World programmes are often broadcast as PBS Nature episodes in the USA. Since 2008, most Natural World programmes have been shot and broadcast in high definition.