Many Americans remember a family road trip to visit one of our 63 national parks. Why did Americans start preserving these sites of natural and historic interest? How were these parks selected, and what steps did conservationists, activists, philanthropists, politicians, and others take to protect millions of acres against the booming developments of an expanding nation? An award-winning writer, researcher, and American Studies scholar, Dr. Megan Kate Nelson tackles these questions as she takes you on a marvelous journey through some of the most beautiful places on Earth.

Accompanied by a selection of guests, Professor Jortner takes you through a mind-bending exploration of the history that could have been. Captivating storytellers and imaginative thinkers, these experts show how history is contingent on split-second decisions, near misses, and sheer dumb luck. By reflecting on what didn’t happen, 10 Great What-Ifs of American History gives you new insights on what did happen—and the impact on our world today.

In Communism in Decline: From Sputnik to Gorbachev, Professor Vejas Gabriel Liulevicius reveals the internal and external forces that ripped apart the grand communist experiment. What were the mistakes made by the Soviet leaders who believed too deeply in their own propaganda? And why were they not able to see the many ironies in their own poor decisions? In 12 fascinating lectures, you will learn how the Soviet Union went from winning the space race against the United States in 1957 to Gorbachev’s resignation and the dissolution of the great experiment in 1991.

Sex. The word makes some people giggle or blush, while others may draw back in discomfort. So, why do we find it so difficult to talk openly about sex? Much of our reticence in discussing and acknowledging the realities of sex comes, at least in part, from a unique time and place: medieval Europe. In the 12 episodes of Sex in the Middle Ages, Professor Jennifer McNabb and a panel of experts in medieval history and literature will take you back to the period between the fall of Rome and the rise of the Renaissance to explore the ideals and realities of sex and sexuality.

During the Great Migration, Black Americans led a mass exodus out of the South. But not all that glittered in the imagination was gold in the real world across the Mason-Dixon line. They contended with dim economic prospects and sparred with white labor unions. They also struggled to assimilate into established Black communities. Nevertheless, these 6 million Black migrants left an indelible mark on life in the United States. How the Great Migration Changed America explores the causes and consequences of the Great Northward Migration in 12 eye-opening lectures.

The Vikings evoke striking images of horned helmets, battle axes, and merciless coastal raids. Remembered for their shocking brutality and impressive naval prowess, these marauding pirates from the North have inspired poetry, fantasy novels, plays, symphonies, and even comic book heroes over the last 12 centuries. But do any of these enduring tropes reflect reality? Who were the Vikings really? What do we know about the period that bears their name? Explore these questions and more in The Viking Age, a 12-lecture course that corrects the record on a transformative period in world history.

Religion is foundational to what it means to be human. Our quest for meaning is as ancient as our very existence, stretching back to a time when Neanderthal burials and Paleolithic figurines suggest our ancestors recognized a power that transcended visible reality. From ancient civilizations to the 21st century, belief in a higher power seems to be a universal human instinct. These 12 thought-provoking lectures introduce you to the world of comparative religion, giving you insights into a variety of religious expressions and human cultures.

10 interview-based episodes that take ancient designs and applies them to modern lives. Your expert is Prince EA, an artist and inspirational speaker who’s spent the greater part of his career thinking about the ancient world.

Railways are one of the most important inventions in modern history. From the 1825 opening of the Stockton and Darlington Railway in England, trains revolutionized both travel and trade and radically changed the way we experience the world. In the 24 richly illustrated lectures of How Railways Transformed the World, you’ll experience the amazing world and impact of railways, from the early 19th century to today’s futuristic trains, including extensive material on the pleasure and appeal of rail travel today.

In London in the Time of Dickens, you’ll get the unique opportunity to experience the British capital through the eyes of a literary master whose work is inextricably tied to the city and its rich history. Throughout 12 lectures taught by Professor Lillian Nayder of Bates College, you’ll tour the city of London in a time of rapid transformation through the life and work of Charles Dickens, uncovering the history of the metropolis, while also witnessing the everyday experiences of Londoners from all walks of life as Dickens represents them.

In the 12 fascinating lectures of Warping Reality: Inside the Psychology of Cults, you will learn about some of the most widely known cults of modern times. But unlike any standard news reporting or documentary about the Peoples Temple, The Manson “Family,” The Branch Davidians, Heaven’s Gate, Children of God, the Unification Church, and NXIVM, your expert, Dr. Wind Goodfriend, will help you explore the psychology of these cults. How could these cult leaders have committed such heinous crimes under the guise of “helping” members in their development?

Delve into some of the most infamous, ghastly, and mysterious crimes of the last hundred-odd years in Crimes of the Century: A Selective History of Infamy. Taught by Professor Richard B. Spence of the University of Idaho, this enthralling course gives you a dozen case studies of murders most foul. From an intriguing Irish domestic murder to a world-shaking political assassination, this course gives you an inside look at some of the most heinous and maddeningly unknowable crimes in modern history.

“Who are you?” Chances are you’d answer this question by describing the highlights of your personality and life experiences. But if you’d been asked this same question yesterday, you might have responded with a slightly different description. Does that mean you are a particular person today but were a different person yesterday? And what about tomorrow? Welcome to the slippery, shape-shifting nature of memory. As Professor Gabrielle Principe reveals, “you” are the conglomeration of the often-unreliable information your brain decides to feed you at any given moment.

Great castles are invaluable historical artifacts, that give us an incredible window into the medieval world. Castles were part of the very fabric of medieval society, and profoundly influenced the political, economic, demographic, and social evolution of Europe. In the 24 compelling lectures of Great Castles of Europe, Professor Victoria L. McAlister, of Towson University guides you through the Middle Ages and into the Renaissance, highlighting outstanding and historically significant castles of these extraordinary times.

For millennia, philosophers and scientists have been trying to unlock the secrets of the mind with only limited success—until now. Today, with modern technologies including the best in neuroscience, medical imaging, and recent advances in artificial intelligence, we are making more progress than ever before. In Introduction to Cognitive Science, Professor Thad A. Polk takes you on a fascinating tour of the latest discoveries in the relatively new field of cognitive science. In 24 exciting lectures, Professor Polk shares dozens of the most challenging questions in cognitive science today.

The 13 chapters of The Art of War, each devoted to one aspect of warfare, were compiled by the high-ranking Chinese military general, strategist, and philosopher Sun-Tzu. In spite of its battlefield specificity, The Art of War has found new life in the modern age, with leaders in fields as wide and far-reaching as world politics, human psychology, and corporate strategy finding valuable insight in its timeworn words.

Christmas is the single biggest annual event on the planet, a time for merry-making, over-indulgence, peace, goodwill, and the occasional family row. It’s as comfortable and familiar as a pair of old shoes and yet still glittery and exciting. But what do you really know about it? It’s stuffed full of traditions and rituals that most of us have been observing all our lives without having the slightest idea of where they come from.

The Roman gladiator has long been a figure of fascination. Portrayed frequently in fine art and popular culture alike, the gladiator is both a real part of history and a legend of a romanticized past. We know that these men entertained Roman audiences by fighting in dangerous and often deadly games. But who were the gladiators? What were their lives like? And why do they continue to have such a strong hold on our imagination, centuries after the fall of the Roman Empire?

Toys and games have long been a part of childhood, but the 20th century saw the rise of an entire industry devoted to the business of play, one that would constantly evolve over the years. In the six lectures of The History of Toys, 1900 to the Present, consultant and toy industry expert Chris Byrne—also known as The Toy Guy®—will take you on a journey through the world of toys from the Edwardian era to our current moment. Beginning with the birth of the mass-market toy industry, you’ll trace the many transformations of toys and our shifting theories of play and childhood development.

The Mongol army led by Genghis Khan subjugated more lands and people in 25 years than the Romans did in 400. In nearly every country the Mongols conquered, they brought an unprecedented rise in cultural communication, expanded trade, and a blossoming of civilization.

Experience a bold take on this classic autobiography as it’s performed by Oscar-nominated Laurence Fishburne. In this searing classic autobiography, originally published in 1965, Malcolm X, the Muslim leader, firebrand, and Black empowerment activist, tells the extraordinary story of his life and the growth of the Human Rights movement. His fascinating perspective on the lies and limitations of the American dream and the inherent racism in a society that denies its non-White citizens the opportunity to dream, gives extraordinary insight into the most urgent issues of our own time.

Do you know how many wives Zeus had? Or how the famous Trojan War was caused by one beautiful lady? Or how Thor got his hammer? Give your imagination a real treat. This Mega Mythology Collection of eight audiobooks is for you....

Across six revealing lectures, Professor Jessica Hooten Wilson will introduce you to one of the 20th century’s most fascinating and divisive writers in Flannery O’Connor and the Scandal of Faith. Beginning with an overview of her brief but remarkable life, Professor Wilson will then take you through an exploration of themes in O’Connor’s work and the hallmarks of her literary style. You’ll get a clearer picture of O’Connor’s historical and geographical context while digging into how her stories can transcend time and place.

In The Pagan World: Ancient Religions Before Christianity, you will meet the fascinating, ancient polytheistic peoples of the Mediterranean and beyond, their many gods and goddesses, and their public and private worship practices, as you come to appreciate the foundational role religion played in their lives. Professor Hans-Friedrich Mueller, of Union College in Schenectady, New York, makes this ancient world come alive in 24 lectures with captivating stories of intrigue, artifacts, illustrations, and detailed descriptions from primary sources of intriguing personalities.

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.

The Vikings evoke striking images of horned helmets, battle axes, and merciless coastal raids. Remembered for their shocking brutality and impressive naval prowess, these marauding pirates from the North have inspired poetry, fantasy novels, plays, symphonies, and even comic book heroes over the last 12 centuries. But do any of these enduring tropes reflect reality? Who were the Vikings really? What do we know about the period that bears their name? Explore these questions and more in The Viking Age, a 12-lecture course that corrects the record on a transformative period in world history.

The 24 revealing lectures of Unsung Heroes of the Ancient World reconstruct over a dozen biographies from the classical world—most of them little-known, some of them quite unlikely heroes. With Professor Emeritus Gregory Aldrete as your expert guide, you will meet the ambitious travel writers, dedicated engineers, careful cartographers, diligent farmers, woman philosophers, devoted wives, skilled military generals, African rebels, Persian kings, and impressive athletes who stood out among their peers centuries ago.

Great castles are invaluable historical artifacts, that give us an incredible window into the medieval world. Castles were part of the very fabric of medieval society, and profoundly influenced the political, economic, demographic, and social evolution of Europe. In the 24 compelling lectures of Great Castles of Europe, Professor Victoria L. McAlister, of Towson University guides you through the Middle Ages and into the Renaissance, highlighting outstanding and historically significant castles of these extraordinary times.

Religion is foundational to what it means to be human. Our quest for meaning is as ancient as our very existence, stretching back to a time when Neanderthal burials and Paleolithic figurines suggest our ancestors recognized a power that transcended visible reality. From ancient civilizations to the 21st century, belief in a higher power seems to be a universal human instinct. These 12 thought-provoking lectures introduce you to the world of comparative religion, giving you insights into a variety of religious expressions and human cultures.

Embark on a journey to the very beginning of writing as a tool of language and see how the many threads of history and linguistics came together to create the alphabet that forms the foundation of English writing. Your guide is Professor John McWhorter of Columbia University and in the 16 lectures of Ancient Writing and the History of the Alphabet, he will help you navigate the complex linguistic and cultural history behind one of our most crucial tools of communication.

In the 12 fascinating lectures of Warping Reality: Inside the Psychology of Cults, you will learn about some of the most widely known cults of modern times. But unlike any standard news reporting or documentary about the Peoples Temple, The Manson “Family,” The Branch Davidians, Heaven’s Gate, Children of God, the Unification Church, and NXIVM, your expert, Dr. Wind Goodfriend, will help you explore the psychology of these cults. How could these cult leaders have committed such heinous crimes under the guise of “helping” members in their development?

From the icy front lines of Soviet Russia to the bombing campaigns against Britain to the American submarines lurking beneath the choppy waters of the Pacific, step into the shoes of remarkable everyday men and women in World War II: Up Close and Personal. Your lecturer is Dr. Keith Huxen, a historian and project director at The Henry M. Jackson Foundation, which supports the Defense POW/MIA Accounting Agency.

In Communism in Decline: From Sputnik to Gorbachev, Professor Vejas Gabriel Liulevicius reveals the internal and external forces that ripped apart the grand communist experiment. What were the mistakes made by the Soviet leaders who believed too deeply in their own propaganda? And why were they not able to see the many ironies in their own poor decisions? In 12 fascinating lectures, you will learn how the Soviet Union went from winning the space race against the United States in 1957 to Gorbachev’s resignation and the dissolution of the great experiment in 1991.

Many Americans know that our nation’s founders drew inspiration from the political systems of ancient Rome and Greece. But what exactly were these influences? And did they shape the United States in far-reaching ways? In these 24 compelling lectures, Professor Winterer takes you on a journey into the thought and actions of the American revolutionaries, showing how classical antiquity shaped every aspect of the revolutionary and founding era.

10 interview-based episodes that take ancient designs and applies them to modern lives. Your expert is Prince EA, an artist and inspirational speaker who’s spent the greater part of his career thinking about the ancient world.

For millennia, philosophers and scientists have been trying to unlock the secrets of the mind with only limited success—until now. Today, with modern technologies including the best in neuroscience, medical imaging, and recent advances in artificial intelligence, we are making more progress than ever before. In Introduction to Cognitive Science, Professor Thad A. Polk takes you on a fascinating tour of the latest discoveries in the relatively new field of cognitive science. In 24 exciting lectures, Professor Polk shares dozens of the most challenging questions in cognitive science today.

Accompanied by a selection of guests, Professor Jortner takes you through a mind-bending exploration of the history that could have been. Captivating storytellers and imaginative thinkers, these experts show how history is contingent on split-second decisions, near misses, and sheer dumb luck. By reflecting on what didn’t happen, 10 Great What-Ifs of American History gives you new insights on what did happen—and the impact on our world today.

Eating is an indispensable human activity. As a result, whether we realize it or not, the drive to obtain food has been a major catalyst across all of history, from prehistoric times to the present. Epicure Jean-Anthelme Brillat-Savarin said it best: "Gastronomy governs the whole life of man."

Railways are one of the most important inventions in modern history. From the 1825 opening of the Stockton and Darlington Railway in England, trains revolutionized both travel and trade and radically changed the way we experience the world. In the 24 richly illustrated lectures of How Railways Transformed the World, you’ll experience the amazing world and impact of railways, from the early 19th century to today’s futuristic trains, including extensive material on the pleasure and appeal of rail travel today.

In a field known for startling ideas, the Many-Worlds Interpretation (MWI) of quantum mechanics may take the prize. It holds that parallel to our own world are a large number of other universes, almost identical to ours but with small variations. Copies of each of us inhabit a myriad of these worlds. But they are not us exactly; they share our past history, but they are different people who have unique futures. Although these realms are invisible and can’t communicate with each other, prominent physicists are convinced they must exist.