Military history often highlights successes and suggests a sense of inevitability about victory, but there is so much that can be gleaned from considering failures. Study these crucibles of history to gain a better understanding of why a civilization took - or didn't take - a particular path.

Modern history is filled with terrible crimes, baffling hoaxes, and seedy scandals. The infamous Jack the Ripper slayings. The alleged survival of Anastasia Romanov, the youngest daughter of the murdered Tsar. Seven-time Tour de France winner Lance Armstrong's public fall from grace. The Chicago Tylenol poisonings and the copycat crimes that followed.

What were the forces that thrust the British Empire to its extraordinary position of greatness and then just as powerfully drove it into decline? And why is nearly every nation on earth, in one way or another, the consequence of the British Empire?In these 36 lectures, Professor Allitt leads you through four centuries of British power, innovation, influence, and, ultimately, diminishment-four profound centuries that literally remade the world and bequeathed the complex global legacy that continues to shape your everyday life.

Between 1861 and 1865, the clash of the greatest armies the Western hemisphere had ever seen turned small towns, little-known streams, and obscure meadows in the American countryside into names we will always remember. In those great battles, those streams ran red with blood-and the United States was truly born.

Chemistry and Our Universe: How It All Works is your in-depth introduction to this vital field, taught through 60 engaging half-hour lectures that are suitable for any background or none at all. Covering a year’s worth of introductory general chemistry at the college level, plus intriguing topics that are rarely discussed in the classroom, this amazingly comprehensive course requires nothing more advanced than high-school math. Your guide is Professor Ron B. Davis, Jr., a research chemist and award-winning teacher at Georgetown University.

Alexander the Great-one of the most renowned figures in antiquity-has inspired everything from medieval romances to blockbuster movies, and military leaders from Julius Caesar to Napoleon to the U.S. general Norman Schwarzkopf. But who was this great king of Macedon? And why is he so legendary? These 36 spellbinding lectures take you deep inside the world of Alexander to witness the astonishing feats of military genius that made his name renowned for millennia after his death.

By understanding the dramatic story of the Ottoman Empire - from its early years as a collection of raiders and conquerors to its undeniable power in the 15th and 16th centuries to its catastrophic collapse in the wreckage of the First World War - one can better grasp the current complexities of the Middle East. Befitting a story of such epic scope and grandeur, every lecture is a treasure trove of historical insights into the people, events, themes, and locales responsible for shaping the story of this often-overlooked empire.

The Roman Republic is one of the most breathtaking civilizations in world history. Between roughly 500 BCE to the turn of the millennium, a modest city-state developed an innovative system of government and expanded into far-flung territories across Europe, Northern Africa, and the Middle East. This powerful civilization inspired America's founding fathers, gifted us a blueprint for amazing engineering innovations, left a vital trove of myths, and has inspired the human imagination for 2,000 years.

The Roman Empire: From Augustus to the Fall of Rome traces the breathtaking history from the empire’s foundation by Augustus to its Golden Age in the 2nd century CE through a series of ever-worsening crises until its ultimate disintegration. Taught by acclaimed Professor Gregory S. Aldrete of the University of Wisconsin-Green Bay, these 24 captivating lectures offer you the chance to experience this story like never before, incorporating the latest historical insights that challenge our previous notions of Rome’s decline.  

Why did 13 colonies believe they could defeat the most powerful nation on the planet? And how did they eventually manage such an impressive feat? Get the real story on the battle for American independence with Professor Guelzo's 24 gripping lectures.With a focus on the war's strategy, military tactics, logistics, and most fascinating people, these lectures are a must own for anyone curious about the origins of the greatest nation in modern history.

Where do we come from? How did our ancestors settle this planet? How did the great historic civilizations of the world develop? How does a past so shadowy that it has to be painstakingly reconstructed from fragmentary, largely unwritten records nonetheless make us who and what we are?

These 36 lectures bring you the answers that the latest scientific and archaeological research and theorizing suggest about human origins, how populations developed, and the ways in which civilizations spread throughout the globe.

Byzantium is too-often considered merely the "eastern rump" of the old Roman Empire, a curious and even unsettling mix of the classical and medieval. Yet it was, according to Professor Harl, "without a doubt the greatest state in Christendom through much of the Middle Ages," and well worth our attention as a way to widen our perspective on everything from the decline of imperial Rome to the rise of the Renaissance.

Look beyond the abstract dates and figures, kings and queens, and battles and wars that make up so many historical accounts. Over the course of 48 richly detailed lectures, Professor Garland covers the breadth and depth of human history from the perspective of the so-called ordinary people, from its earliest beginnings through the Middle Ages.

This fresh and challenging inquiry into human societies takes a deep look at the effects and roles of war. As the most complex of all human endeavors, warfare - from ancient to modern - has spurred the growth of essential new technologies; demanded the adoption of complex economic systems; shaped the ideology and culture of nations; promoted developments in art and literature; and spread faith across the globe.