Sixty-five million years ago, a giant meteor hit the earth causing a global catastrophe that destroyed an estimated three quarters of the plants and animal species on the planet, including the mighty dinosaurs. Little was known about the survivors who lived in this post-apocalyptic world until a mining operation in Cerrejon, Northern Colombia — excavating coal cut from deep within the earth’s crust — exposed an important layer in the earth’s geological history laid down more than 10 million years after the extinction of the dinosaurs. In 2003, when paleontologist professor Jonathan Bloch, University of Florida, first heard that this important layer had been exposed, he and his research team rushed to Columbia. He had spent his career studying this Paleocene period in the earth’s geological history. Could this be the lost world he’d been searching for? Alex4History's supplementary notes: From the Secrets of the Dead series Narrated by: Jay O. Sanders

What links Adolf Hitler, Heinrich Himmler and a priceless Celtic cauldron recently discovered at the bottom of a lake in Bavaria? In this film an investigation uncovers allegations of mafia involvement, an international fraud trial where millions of dollars are at stake and a forensic discovery that stuns the archaeological world and steers the mystery towards Himmler's SS shrine at Wewelsburg and Hitler's obsessive quest for the Holy Grail. This seemingly priceless and beautiful object has brought death and disaster to everyone who has attempted to own it but who did make it and why? Hosted by Shaun Dooley

When Spike tries to bury a bone he finds a belligerent gopher. Directed by Tex Avery. Written By Rich Hogan. Voice Actor: Daws Butler Originally Released Theatrically on September 30, 1950.

Two thousand years ago one of history's most notorious individuals was born. Professor Mary Beard embarks on an investigative journey to explore the life and times of Gaius Julius Caesar Augustus Germanicus - better known to us as Caligula. Caligula has now become known as Rome's most capricious tyrant, and the stories told about him are some of the most extraordinary told about any Roman emperor. He was said to have made his horse a consul, proclaimed himself a living God, and indulged in scandalous orgies - even with his own three sisters - and that's before you mention building vast bridges across land and sea, prostituting senators' wives and killing half the Roman elite seemingly on a whim. All that in just four short years in power before a violent and speedy assassination in a back alley of his own palace at just 28-years-old. But how much of his story is true? Travelling across the Roman world - from Germany and Capri in the bay of Naples to the astonishing luxury of his life in imperial Rome - Mary attempts to peel away the myths. Some stories are difficult to get to the bottom of as they were written by hacks long after his death, but there is plenty of surviving evidence where the 'real' Caligula can be glimpsed. Such as in the extraordinary luxury of his private yachts outside Rome; in the designs he chose for his coins when he became Emperor; in an eye-witness account of Caligula's withering humour written in 41AD; the trial documents covering the mysterious death of his father when he was just seven-years-old; and even in a record of his imperial slaves - from the palace spy to his personal trainer. Piecing together the evidence, Mary puts Caligula back into the context of his times to reveal an astonishing story of murder, intrigue and dynastic family power. Above all, she explains why Caligula has ended up with such a seemingly unredeemable reputation. In the process, she reveals a more intriguing portrait of not just the monster, but the man.